All (in this database) Fish list (Scientific names): Part MB
A
AF
AM
AO
AS
AV
B
BD
BJ
BR
BT
C
CE
CI
CR
CW
D
DH
DR
E
EN
EV
F
FL
FS
G
GJ
GU
H
HG
HW
I
IO
J
K
KR
L
LB
LH
LT
M
MB
MF
MK
MV
N
NG
NJ
O
OH
OS
P
PE
PF
PN
PS
PY
Q
R
RH
RP
S
SE
SI
SO
SQ
SU
T
TH
TS
U
V
VI
W
X
Y
Z
- mbami L©vªque & Daget, 1984 (Barbus)
- m'baoensis Pellegrin, 1907 (Solea senegalensis var. ), see Dicologlossa cuneata
- mbaoensis Pellegrin, 1907 (Solea senegalensis var. ), see Dicologlossa cuneata
- mbenjii Konings, 1990 (Copadichromis)
- mbenjii Lewis, 1982 (Labidochromis)
- mbenjii (Maylandia)
- mbenjii Stauffer, Bowers, Kellogg & McKaye, 1997 (Metriaclima), see Maylandia mbenjii
- mbipi Seehausen, 1998 (Mbipia)
- Mbipia Lippitsch & Seehausen, 1998 (Cichlidae)
- mbizi Trewavas, 1962 (Pentheroscion)
- mbizi Poll, 1950 (Sciaena), see Pentheroscion mbizi
- mbozi Seegers, 1996 (Chiloglanis)
- mbu Boulenger, 1899 (Tetraodon)
- mbu Boulenger, 1899 (Tetrodon), see Tetraodon mbu
- ?mbudyae Nalbant & Mayer, 1975 (Acentrogobius)
- mcadamsi Eschmeyer, 1986 (Parascorpaena)
- mcadamsi Fowler, 1938 (Scorpaena), see Parascorpaena mcadamsi
- mcallisteri Anderson, 1988 (Oidiphorus)
- mcalpini Lindberg & Legeza, 1955 (Cyclopteropsis)
- mcalpini Fowler, 1914 (Lethotremus), see Cyclopteropsis mcalpini
- mccaddeni Fowler, 1941 (Eleutherochir), see Eleutherochir opercularis
- mcclellandi (Barbus)
- mcclellandi Jerdon, 1849 (Garra)
- ?mcclellandi Kaup, 1856 (Pisodonophis)
- mcclellandi Bleeker, 1854 (Aplocheilus), see Oryzias melastigmus
- mcclellandi Bleeker, 1860 (Lissorhynchus), see Garra lissorhynchus
- mcclellandii Thompson (ex Cantor), 1840 (Bregmaceros)
- mcconnaugheyi Wisner & McMillan, 1990 (Eptatretus)
- mccoskeri Smith & Bæhlke, 1997 (Gymnothorax)
- mccoskeri Randall & Harmelin-Vivien, 1977 (Paracheilinus)
- mccoskeri Wisner & McMillan, 1995 (Myxine)
- Mccoskerichthys Rosenblatt & Stephens, 1978 (Chaenopsidae)
- mccoyi Whitley, 1931 (Echinorhinus), see Echinorhinus brucus
- mccoyi Whitley, 1931 (Rubusqualus), see Echinorhinus brucus
- mccullochi Whitley, 1929 (Amphiprion)
- mccullochi Whitley, 1929 (Parma)
- ?mccullochi Myers, 1932 (Pseudochromis)
- mccullochi Fowler & Bean, 1923 (Salarias), see Istiblennius lineatus
- mccullochi Nichols, 1920 (Trachurus), see Trachurus novaezelandiae
- mccullochi Whitley, 1947 (Cyttus), see Cyttus traversi
- mcdonaldi Goode & Bean, 1896 (Conocara), see Conocara macropterum
- mcgintyi (Fowler, 1952) (Zalieutes)
- mcgintyi Fowler, 1952 (Ogcocephalus), see Zalieutes mcgintyi
- mcgintyi Fowler, 1952 (Oncocephalus), see Zalieutes mcgintyi
- mcgintyi Fowler, 1952 (Peristedion), see Peristedion miniatum
- mckaili Whitley, 1945 (Galeolamna greyi), see Carcharhinus leucas
- m'clellandi Day, 1870 (Barbus), see Barbus mcclellandi
- m'clellandi Valenciennes, 1842 (Cyprinus), see Puntius sarana
- mclellandi Jerdon, 1849 (Gonorhynchus), see Garra mcclellandi
- mcmichaeli Whitley, 1962 (Dactylanthias), see Serranocirrhitus latus
- mcmillanae Hensley, 1991 (Myxine)
- mcmillani Iwamoto & Shcherbachev, 1991 (Coryphaenoides)
- mcnieli Fowler, 1916 (Gambusia), see Gambusia nicaraguensis
- meaco Lacep¨de, 1802 (Sparus), see Hemigymnus fasciatus
- meadi Kanazawa, 1957 (Coloconger)
- meadi Bertelsen, Krefft & Marshall, 1976 (Scopelosaurus)
- meadi Menezes, 1969 (Oligosarcus)
- meadi Bertelsen, Pietsch & Lavenberg, 1981 (Gigantactis)
- meadi Nafpaktitis, 1978 (Diaphus)
- meadi Tyler, 1966 (Hollardia)
- meadi Springer, 1966 (Scyliorhinus)
- ?meadi Nielsen, 1966 (Ipnops)
- meadi Dahl, 1964 (Gambusia), see Gambusia lemaitrei
- meadi Dahl, 1964 (Toluichthys), see Gambusia lemaitrei
- meadi Menezes & Lima de Figueiredo, 1971 (Lonchopisthus), see Lonchopisthus lemur
- meadi Pequeáo, 1970 (Antimora), see Antimora rostrata
- Meadia Bæhlke, 1951 (Ilyophinae)
- meadiae Jordan & Evermann, 1898 (Ulocentra), see Etheostoma stigmaeum
- meadiae Lee et al., 1980 (Etheostoma), see Etheostoma stigmaeum
- ?meandratus Richardson (ex Solander), 1842 (Aplodactylus)
- meandrense Elvira, 1997 (Chondrostoma)
- meandrensis Elvira, 1987 (Chondrostoma holmwoodii), see Chondrostoma meandrense
- meandri Ladiges, 1960 ( Phoxinelluszeregii)
- meanyi Eschmeyer & Herald, 1983 (Artedius)
- meanyi Jordan & Starks, 1895 (Ruscarius), see Artedius meanyi
- Mearnsella Seale & Bean, 1907 (Cyprinidae), see Nematabramis
- mearnsi Snyder, 1915 (Notropis), see Cyprinella formosa
- ?measius Lesueur, 1896 (Acipenser)
- mebachi Kishinouye, 1915 (Thunnus), see Thunnus obesus
- mebachi Kishinouye, 1923 (Parathunnus), see Thunnus obesus
- Mecaenichthys Whitley, 1929 (Pomacentridae)
- meckel Hermann, 1804 (Cyprinus), see Blicca bjoerkna
- mecopterus McCosker & Rosenblatt, 1998 (Ophichthus)
- Meda Girard, 1856 (Cyprinidae)
- ?medellinense Posada, 1909 (Parodon)
- ?medellinensis Posada, 1909 (Trichomycterus)
- medemi Dahl, 1960 (Brycon)
- Medemichthys Dahl, 1961 (Pimelodinae), see Heptapterus
- mederi Schmidt, 1916 (Careproctus)
- media Springer, 1940 (Sphyrna)
- media Garman, 1911 (Chimaera)
- media Hartmann, 1827 (Salmo maraena), see Coregonus gutturosus
- media Koch, 1840 (Abramis), see Abramis brama
- media Stokell, 1969 (Retropinna), see Retropinna retropinna
- mediadiposalis Mori, 1936 (Liobagrus)
- Medialuna Jordan & Fesler, 1893 (Scorpidinae)
- medianalis Burgess, 1989 (Pseudobagrus)
- medianalis Regan, 1904 (Macrones), see Pseudobagrus medianalis
- medians Bleeker, 1862 (Hemiancistrus)
- medians Kner, 1854 (Ancistrus), see Hemiancistrus medians
- Medicelinus Bolin, 1936 (Cottidae), see Icelinus
- medinae Philippi, 1902 (Notidanus), see Notorynchus cepedianus
- medinai Ramrez, 1965 (Serrasalmus)
- ?medinilla Quoy & Gaimard, 1824 (Balistes)
- mediobarbis Ogilby, 1908 (Neosilurus), see Tandanus ater
- ?mediocricula Ginsburg, 1942 (Garmannia)
- mediocris Lee et al., 1980 (Alosa)
- mediocris Mitchill, 1814 (Clupea), see Alosa mediocris
- mediolateralis Poll, 1967 (Aplocheilichthys)
- ?mediorostris Gìnther, 1887 (Halosaurus)
- mediorostris Risso, 1827 (Anguilla), see Anguilla anguilla
- mediospinatus Pravdin, 1931 (Coregonus lavaretus), see Coregonus maraena
- mediospinatus Svetovidov, 1973 (Coregonus lavaretus), see Coregonus maraena
- mediosquamatus Poll, 1967 (Barbus)
- Medipellona Jordan & Seale, 1926 (Clupeidae), see Chirocentrodon
- medirastre Berry & Barrett, 1963 (Opisthonema)
- medirostris Ayres, 1854 (Acipenser)
- mediteranea Cloquet, 1817 (Chromis), see Chromis chromis
- ?mediterranea Pietschmann, 1906 ( Torpedotorpedo)
- mediterranea Balon, 1968 (Salmo trutta), see Salmo trutta
- mediterranea Borodin, 1928 (Lampanyctus gaussi var. ), see Lepidophanes gaussi
- mediterranea Cuvier, 1837 (Microstoma), see Microstoma microstoma
- mediterranea Giglioli, 1893 (Chalinura), see Coryphaenoides mediterraneus
- mediterranea Linnaeus, 1758 (Perca), see Symphodus mediterraneus
- mediterranea Risso, 1827 (Chimaera), see Chimaera monstrosa
- mediterranea Risso, 1827 (Julis), see Coris julis
- mediterranea Risso, 1827 (Mora), see Mora moro
- mediterranea Swainson, 1838 (Laurida), see Synodus saurus
- mediterranea Valenciennes, 1847 (Meletta), see Sardinella aurita
- mediterranea de Buen, 1926 (Engraulis engrassicholus f. ), see Engraulis encrasicolus
- mediterraneum Guichenot, 1850 (Diagramma), see Plectorhinchus mediterraneus
- mediterraneus Bauchot, 1962 (Bathypterois)
- mediterraneus Cuvier, 1829 (Hoplostethus)
- mediterraneus Svetovidov, 1973 (Gaidropsarus)
- mediterraneus Iwamoto, 1990 (Coryphaenoides)
- mediterraneus Hureau & Tortonese, 1973 (Trachurus)
- mediterraneus Roux, 1973 (Plectorhinchus)
- mediterraneus Bauchot & Quignard, 1973 (Symphodus)
- ?mediterraneus Rafinesque, 1810 (Echeneis)
- ?mediterraneus (Gistel, 1848) (Rhinobatos)
- mediterraneus Ariola, 1904 (Nemichthys), see Nemichthys scolopacea
- mediterraneus Bloch & Schneider (ex Brunnich), 1801 (Labrus), see Symphodus mediterraneus
- mediterraneus Bloch & Schneider, 1801 (Gobius), see Gobius paganellus
- mediterraneus Bloch & Schneider, 1801 (Scomber), see Sarda sarda
- mediterraneus Cadenat, 1950 (Merluccius merluccius), see Merluccius merluccius
- mediterraneus De Filippi & Verany, 1857 (Notacanthus), see Notacanthus bonaparte
- mediterraneus Delaroche, 1809 (Phycis), see Phycis phycis
- mediterraneus Doumet, 1863 (Trachelocirrhus), see Cubiceps gracilis
- mediterraneus Doëmet, 1863 (Trachelocirrhus), see Cubiceps gracilis
- mediterraneus Gistel, 1848 (Rhinobatus), see Rhinobatos mediterraneus
- mediterraneus Gistel, 1848 (Spinax), see Squalus acanthias
- mediterraneus Lacep¨de (Blennius), see Gaidropsarus mediterraneus
- mediterraneus Linnaeus, 1758 (Gadus), see Gaidropsarus mediterraneus
- mediterraneus Mazzarelli, 1909 (Stylophthalmus), see Symbolophorus veranyi
- mediterraneus Otto, 1821 (Bogmarus), see Trachipterus trachypterus
- mediterraneus Pusanov & Zeeb, 1926 (Engraulis encrasicolus), see Engraulis encrasicholus
- mediterraneus Quignard & Capap©, 1972 (Mustelus), see Mustelus punctulatus
- mediterraneus Rafinesque, 1810 (Lopharis), see Pomatomus saltator
- mediterraneus Rhasis Erazi, 1943 (Leiognathus), see Leiognathus klunzingeri
- mediterraneus Risso, 1827 (Thynnus), see Thunnus thynnus
- mediterraneus Steindachner, 1868 (Caranx trachurus var. ), see Trachurus mediterraneus
- ?medium Chabanaud, 1951 (Compsomidiama)
- medium Gìnther, 1861 (Tripterygium), see Bellapiscis medius
- medium Hardy, 1987 (Bellapiscis), see Bellapiscis medius
- medius Yue, 1995 (Hemibarbus)
- medius (Xenocypris)
- medius Gìnther, 1864 (Centropomus)
- medius (Anisarchus)
- medius (Lumpenus)
- medius Haedrich, 1967 (Peprilus)
- medius (Trichiurus)
- medius Hardy, 1987 (Bellapiscis)
- ?medius Machan, 1931 (Mugil)
- medius Eschmeyer & Herald, 1983 (Anisarchus), see Lumpenus medius
- medius Gill, 1864 (Anisarchus), see Lumpenus medius
- medius Heckel, 1836 (Acipenser), see Acipenser gueldenstaedtii
- medius Oshima, 1920 (Leuciscus), see Xenocypris medius
- medius Peters, 1869 (Stromateus), see Peprilus medius
- medius Poey, 1872 (Grammateus), see Calamus penna
- medius Reinhardt, 1835-36 (Lumpenus), see Anisarchus medius
- medius Reinhardt, 1837 (Clinus), see Lumpenus medius
- mednius Bean, 1898 (Myoxocephalus), see Porocottus bradfordi
- medon Hoese & Randall, 1982 (Stonogobiops)
- ?medorae Koelz, 1931 ( Coregonusclupeaformis)
- medurensis Gìnther, 1873 (Serranus), see Epinephelus adscensionis
- medusa Smith-Vaniz & Palacio, 1974 (Acanthemblemaria)
- ?medusa Gibbs, Clarke & Gomon, 1983 (Eustomias)
- Medusablennius Springer, 1966 (Blenniidae)
- medusicola Jordan & Starks, 1895 (Caranx), see Caranx melampygus
- medusophagus Robins & Ray, 1986 (Centrolophus)
- medusophagus Cocco, 1839 (Schedophilus)
- medusophagus Cocco, 1829 (Schedophilus), see Centrolophus medusophagus
- medusophagus Cocco, 1839 (Schedophilus), see Centrolophus medusophagus
- meeki Smith, 1989 (Ariosoma)
- meeki McAllister, 1990 (Atherinella)
- meeki Banford & Collette, 1993 (Hyporhamphus)
- meeki Eigenmann & Hildebrand, 1917 (Brycon)
- meeki Eigenmann, 1922 (Roeboides)
- meeki Page & Burr, 1991 (Macrhybopsis)
- meeki Miller, 1976 (Cyprinodon)
- meeki Smith & Miller, 1987 (Allotoca)
- meeki (Thorichthys)
- meeki Evermann & Marsh, 1899 (Microgobius)
- meeki Jenkins, 1903 (Priacanthus)
- meeki Eigenmann, 1910 (Pimelodella)
- ?meeki Eigenmann, 1903 (Eucinostomus)
- meeki Alvarez, 1959 (Neoophorus), see Allotoca meeki
- meeki Bean, 1906 (Holocentrus), see Holocentrus rufus
- meeki Evermann, 1908 (Fundulus), see Fundulus lima
- meeki Hildebrand, 1925 (Cichlasoma), see Amphilophus macracanthus
- meeki Jordan & Evermann, 1896 (Hybopsis), see Macrhybopsis meeki
- meeki Jordan & Gilbert, 1886 (Hybognathus), see Hybognathus nubila
- meeki Jordan & Snyder, 1900 (Congrellus), see Ariosoma meeki
- meeki Lee et al., 1980 (Cichlasoma), see Thorichthys meeki
- meeki Miller, 1907 (Thyrina), see Atherinella meeki
- meeki Pellegrin, 1911 (Tilapia), see Tilapia mariae
- meeli Colombe & Allgayer, 1985 (Neolamprologus)
- meeli Poll, 1948 (Lamprologus), see Neolamprologus meeli
- meerdervoorti Ochiai, 1984 (Suggrundus)
- meerdervoortii (Suggrundus)
- meerdervoortii (Bleeker, 1860) (Okamejei)
- meerdervoortii Bleeker, 1860 (Raja), see Okamejei meerdervoortii
- meerdevoortii Bleeker, 1860 (Platycephalus), see Suggrundus meerdervoorti
- meesi Burgess, 1989 (Pimelodella)
- meesi Sands & Black, 1985 (Brachyrhamdia), see Pimelodella meesi
- megacephala Imamura & Knapp, 1998 (Bembras)
- megacephalus Watson, 1993 (Parawaous)
- megacephalus Fedorov, 1990 (Andriashevicottus)
- megacephalus Kim et al., 1993 (Liparis)
- megacephalus Jordan & Hubbs, 1925 (Ratabulus)
- megacephalus Isbrìcker, 1980 (Hemiancistrus)
- ?megacephalus Heckel, 1846-49 (Alburnus)
- ?megacephalus Swainson, 1839 (Calamus)
- ?megacephalus Lockington, 1879 (Chitonotus)
- megacephalus Burke, 1912 (Cyclogaster), see Liparis megacephalus
- megacephalus Fowler, 1905 (Chaenogobius), see Parawaous megacephalus
- megacephalus Gìnther, 1868 (Chaetostomus), see Hemiancistrus megacephalus
- megacephalus Lin, 1933 (Sillago), see Sillago sihama
- megacephalus Natterer, 1836 (Silurus), see Pimelodus ornatus
- megacephalus Natterer, 1858 (Silurus), see Pimelodus ornatus
- megacephalus Tanaka, 1917 (Thysanophrys), see Ratabulus megacephalus
- megaceps Fowler, 1938 (Bathyclupea)
- megaceps Fowler, 1945 (Hemigrammus)
- megaceros Holt & Byrne, 1908 (Oneirodes), see Oneirodes eschrichtii
- Megachasma Taylor, Compagno & Struhsaker, 1983 (Megachasmidae)
- Megachasmidae (Lamniformes)
- megachir Katayama, 1984 (Epinephelus), see Epinephelus quoyanus
- megachir Richardson, 1846 (Serranus), see Epinephelus quoyanus
- Megaderus Rafinesque, 1815 (Muraenidae), see Echidna
- Megadontognathus Mago-Leccia, 1994 (Apteronotidae)
- megagnatha Amaoka & Parin, 1990 (Chascanopsetta)
- Megagobio Kessler, 1876 (Cyprinidae)
- Megalamphodus Eigenmann, 1915 (Cheirodontinae), see Hyphessobrycon
- Megalancistrus Isbrìcker, 1980 (Ancistrinae)
- Megalaspis Bleeker, 1851 (Carangidae)
- Megalebias (Rivulinae)
- Megalechis Reis, 1997 (Callichthyinae)
- megalepis Gìnther, 1863 (Leporinus)
- megalepis Roberts, 1982 (Gastromyzon)
- megalepis Fowler, 1941 (Bryconamericus)
- megalepis Gìnther, 1861 (Doratonotus)
- megalepis Smith-Vaniz, 1972 (Opistognathus)
- megalepis Randall, 1996 (Plectranthias)
- megalepis Fowler, 1934 (Poecilopsetta)
- megalepis Gloerfelt-Tarp & Kailola, 1984 (Neomerinthe)
- ?megalepis Woods, 1961 (Monolene)
- Megalepis Bianconi, 1857 (Mullidae), see Upeneus
- megalepis (Puntius), see Tor tor
- megalepis Dum©ril, 1870 (Acipenser), see Acipenser fulvescens
- megalepis Dum©ril, 1870 (Huso), see Acipenser fulvescens
- megalepis Fowler, 1938 (Scorpaena), see Neomerinthe megalepis
- megalepis Gìnther, 1880 (Anthias), see Plectranthias megalepis
- megalepis McClelland, 1839 (Barbus), see Tor tor
- Megalepocephalus Fowler, 1934 (Alepocephalidae), see Asquamiceps
- Megalobrama Dybowski, 1872 (Leuciscinae)
- Megalobrycon Gìnther, 1869 (Bryconinae), see Brycon
- Megalocentor Pinna & Britski, 1991 (Stegophilinae)
- megalocephala Knipowitch, 1906 (Lycodes rossi f. ), see Lycodes rossi
- Megalocottus Gill, 1861 (Cottidae)
- megalodiscus Franz, 1910 (Echeneis), see Remora osteochir
- megalodon Dum©ril, 1865 (Pristis), see Pristis pectinata
- megalodontis Beebe & Crane, 1947 (Melanocetus), see Melanocetus johnsonii
- Megalodoras Eigenmann, 1925 (Doradidae)
- megaloepis Doi, 1997 (Gastromyzon), see Gastromyzon megalepis
- megalokynodon Kolombatovic, 1894 (Motella), see Gaidropsarus biscayensis
- megalokynodon Svetovidov, 1973 (Antonogadus), see Gaidropsarus biscayensis
- megalolepis Mochizuki & Hayashi, 1989 (Secutor)
- ?megalolepis Peters, 1877 (Sphyraena)
- megalolepis Gìnther, 1868 (Chela), see Parachela oxygastroides
- megalolepis Mees, 1962 (Belone), see Petalichthys capensis
- megalommatus Dor, 1984 (Argyrops)
- megalommatus Klunzinger, 1870 (Pagrus), see Argyrops megalommatus
- Megalomycter Myers & Freihofer, 1966 (Megalomycteridae)
- megalomycter Vaillant, 1902 (Ellopostoma)
- megalomycter Vaillant, 1902 (Aperioptus), see Ellopostoma megalomycter
- Megalomycteridae (Stephanoberyciformes)
- Megalonema Eigenmann, 1912 (Pimelodinae)
- Megalonibea Chu, Lo & Wu, 1963 (Sciaenidae)
- megalopa Kawaguchi & Butler, 1984 (Nansenia)
- Megalopharynx Brauer in Chun, 1900 (Eurypharyngidae), see Eurypharynx
- ?megalophthalma Grey, 1959 (Sonoda)
- megalophthalmus Chen & Huang, 1977 (Cyprinus)
- megalophthalmus Fourmanoir & Randall, 1979 (Plectranthias)
- megalophthalmus Evermann & Marsh, 1900 (Neomaenis), see Lutjanus synagris
- megalophthalmus Stephanidis, 1971 (Rutilus spartiaticus var. ), see Rutilus spartiaticus
- Megalopidae (Elopiformes)
- Megalops Lacep¨de, 1803 (Megalopidae)
- megalops Asano, 1987 (Ophichthus)
- megalops Johnson & Glodek, 1975 (Evermannella)
- megalops Bean & Weed, 1910 (Thalassophryne)
- megalops Randall, 1998 (Sargocentron)
- megalops Nafpaktitis, 1978 (Diaphus)
- megalops Markle & Krefft, 1985 (Bajacalifornia)
- megalops Siebert & Crimmen, 1997 (Sundasalanx)
- megalops Myers, 1929 (Knodus)
- megalops Fowler (Moenkhausia)
- megalops Greenwood, 1980 (Astatotilapia)
- megalops Briggs, 1955 (Diplecogaster)
- megalops (Pomacentrus)
- megalops Allen & Robertson, 1994 (Micropogonias)
- megalops Fowler, 1934 (Pseudorhombus)
- megalops Widegren, 1863 (Coregonus)
- megalops Berg, 1906 (Limnocottus)
- megalops DeWitt, 1969 (Antipodocottus)
- megalops Fowler, 1938 (Phenacoscorpius)
- megalops del Cerro & Lloris, 1997 (Parapterygotrigla)
- megalops Eigenmann & Ward, McAtee & Ward, 1907 (Iheringichthys)
- megalops Eigenmann, 1912 (Pimelodella)
- megalops Maul, 1973 (Poromitra)
- megalops Compagno, 1984 (Squalus)
- ?megalops Fowler, 1938 (Ariosoma)
- ?megalops Tanaka, 1917 (Pseudupeneus)
- ?megalops Gìnther, 1864 (Pseudeutropius)
- megalops Eigenmann, 1907 (Astyanax), see Moenkhausia megalops
- megalops Forbes, 1883 (Trycherodon), see Notropis emiliae
- megalops Fowler, 1905 (Cyclocheilichthys), see Cyclocheilichthys repasson
- megalops Fowler, 1911 (Cylindrosteus), see Lepisosteus platyrhincus
- megalops Fowler, 1918 (Rhomboplitoides), see Lutjanus lutjanus
- megalops Fowler, 1934 (Bathycongrus), see Bathycongrus guttulatus
- megalops Fowler, 1934 (Microcephalocongrus), see Bathycongrus guttulatus
- megalops Fowler, 1938 (Dixiphistops), see Parapterygotrigla megalops
- megalops Gilbert, 1890 (Micropogon), see Micropogonias megalops
- megalops Girard, 1854 (Holconotus), see Hyperprosopon argenteum
- megalops Girard, 1855 (Ennichthys), see Hyperprosopon argenteum
- megalops Girard, 1856 (Alburnus), see Notropis amabilis
- megalops Girard, 1859 (Pimelodus), see Ictalurus punctatus
- megalops Gratzianov, 1902 (Cottus), see Limnocottus megalops
- megalops Greenwood & Gee, 1969 (Haplochromis), see Astatotilapia megalops
- megalops Jensen, 1948 (Phocaegadus), see Arctogadus glacialis
- megalops Kner, 1858 (Centromochlus), see Centromochlus heckelii
- megalops Lìtken, 1877 (Melamphaes), see Poromitra megalops
- megalops Lìtken, 1898 (Cyclothone), see Bajacalifornia megalops
- megalops Macleay, 1881 (Acanthias), see Squalus megalops
- megalops Ogilby, 1897 (Austrophycis), see Austrophycis marginata
- megalops Pellegrin, 1900 (Cottocomephorus), see Cottocomephorus inermis
- megalops Peters, 1864 (Myctophum), see Electrona subaspera
- megalops Rafinesque, 1817 (Cyprinus), see Luxilus cornutus
- megalops Rafinesque, 1818 (Clupea), see Alosa pseudoharengus
- megalops Smith & Radcliffe, 1912 (Hynnodus), see Epigonus atherinoides
- megalops Smitt, 1897 (Notothenia tessellata f. ), see Patagonotothen tessellata
- megalops Starks, 1913 (Rabula), see Chilorhinus suensonii
- megalopseos Li & Chen, 1985 (Hemimyzon)
- megalopsis Allen, 1976 (Chromis), see Chromis mirationis
- megaloptera Whitehead, 1985 (Ilisha)
- megalopterus Weitzman & Palmer, 1997 (Hyphessobrycon)
- megalopterus Compagno, 1984 (Triakis)
- megalopterus Eigenmann, 1915 (Megalamphodus), see Hyphessobrycon megalopterus
- megalopterus Smith, 1839 (Mustelus), see Triakis megalopterus
- megalopterus Swainson, 1839 (Platygaster), see Ilisha megaloptera
- megalopus Stein, 1978 (Paraliparis)
- megalospilus Kullander, 1986 (Bujurquina)
- megalostictus Eigenmann, 1909 (Phenacogaster)
- megalostomus Eigenmann, 1911 (Hysteronotus)
- megalostomus Pearson, 1924 (Ancistrus)
- megalotis Lee et al., 1980 (Lepomis)
- megalotis Rafinesque, 1820 (Icthelis), see Lepomis megalotis
- megalotis Rafinesque, 1820 (Pomotis), see Lepomis megalotis
- ?megalourus Richardson, 1843 (Monacanthus)
- megalura Miranda-Ribeiro, 1918 (Pimelodella)
- megalura Swainson, 1839 (Setipinna), see Setipinna phasa
- megamycterum Randall & Baldwin, 1997 (Pseudogramma)
- meganchus Andriashev, 1982 (Paraliparis)
- Megaperca Hilgendorf, 1878 (Acropomatidae), see Stereolepis
- Megaphalus Rafinesque, 1815 (Gobiesocinae), see Gobiesox
- Megapharynx Legendre, 1942 (Catostominae), see Moxostoma
- megapogon Sauvage, 1880 (Clarias), see Clarias buthupogon
- Megaprotodon (Chaetodontidae)
- megapterus Weber, 1913 (Gymnothorax), see Pseudechidna brummeri
- Megarhinus Rafinesque, 1820 (Polyodontidae), see Polyodon
- megarrhamphus Brembach, 1982 (Dermogenys)
- megasema Heckel, 1840 (Geophagus), see Geophagus surinamensis
- megasoma Machida, 1994 (Dinematichthys)
- megaspila Nalbant, 1993 (Cobitis)
- megaspilura Fowler, 1944 (Astyanax)
- megaspilus Bæhlke & Randall, 1995 (Gymnothorax)
- ?megastigma Rennis & Hoese, 1987 (Aioliops)
- megastoma Kaup, 1856 (Anguilla)
- megastoma Kuronuma, 1940 (Kamoharaia)
- ?megastoma Donovan, 1804 (Pleuronectes)
- megastoma Garlick, 1857 (Grystes), see Arripis trutta
- megastoma Gìnther, 1860 (Opisthognathus), see Opistognathus macrognathus
- megastoma Gìnther, 1860 (Opistognathus), see Opistognathus macrognathus
- megastoma Gìnther, 1862 (Lepidorhombus), see Pleuronectes megastoma
- megastoma Gìnther, 1877 (Congromuraena), see Congriscus megastomus
- megastoma Jordan & Hubbs, 1925 (Congriscus), see Congriscus megastomus
- megastoma Kamohara, 1936 (Chascanopsetta), see Kamoharaia megastoma
- megastoma Sauvage, 1878 (Scorpaena), see Sebastapistes mauritiana
- megastoma Swainson, 1839 (Thryssa), see Thryssa purava
- Megastomatobus Fowler, 1913 (Ictiobinae), see Ictiobus
- megastomus Asano, 1984 (Congriscus)
- megastomus Fricke, 1982 (Callionymus)
- ?megastomus Rafinesque, 1820 (Catostomus)
- megastomus Gìnther, 1864 (Cnidoglanis), see Cnidoglanis macrocephalus
- megastomus Rafinesque, 1820 (Eurystomus), see Catostomus megastomus
- megastomus Rafinesque, 1820 (Teretulus), see Catostomus megastomus
- megastomus Richardson, 1845 (Plotosus), see Cnidoglanis macrocephalus
- meggitti Hora & Mukerji, 1936 (Ctenogobius), see Bathygobius fuscus
- meggitti Randall, 1995 (Bathygobius), see Bathygobius fuscus
- meghalayensis Sen & Dey, 1985 (Danio), see Danio dangila
- megista Smith & Kanezawa, 1989 (Hoplunnis)
- megistus Burgess, 1989 (Ernstichthys)
- megistus Orc©s, 1961 (Hoplomyzon), see Ernstichthys megistus
- Megupsilon Miller & Walters, 1972 (Cyprinodontinae)
- mehdem Warpachowski, 1897 (Squalius), see Leuciscus leuciscus
- Meiacanthus Norman, 1943 (Blenniidae)
- meidingerii Kottelat, 1997 (Rutilus)
- meidingerii Heckel, 1851 (Leuciscus), see Rutilus meidingerii
- meinkeni de Beaufort, 1931 (Rasbora)
- meinkeni Kullander, 1980 (Apistogramma)
- meinkeni Ahl, 1928 (Cheirodon), see Cheirodon interruptus
- meinkeni Huber, 1980 (Aphyosemion), see Aphyosemion oeseri
- meinkeni Myers, 1933 (Aphyosemion), see Aphyosemion oeseri
- meinkeni Radda, 1973 (Aphyosemion cf. ), see Aphyosemion raddai
- mekistocholas Snelson, 1971 (Notropis)
- mekistonema Sulak, 1975 (Talismania)
- ?meklongensis Roberts, 1986 (Macrognathus)
- mekongensis Uwa & Magtoon, 1986 (Oryzias)
- mekongensis Watson, 1991 (Stenogobius)
- mekongensis Bornbusch & Lundberg, 1989 (Hemisilurus)
- mekongensis Fowler, 1937 (Cyclocheilichthys), see Cyclocheilichthys armatus
- mekongensis Taki, 1974 (Scaphognathus), see Scaphognathops bandanensis
- mekongianus Rainboth, 1996 (Rhinogobius)
- mekongianus Pellegrin & Fang, 1940 (Gobius), see Rhinogobius mekongianus
- Mekongina Fowler, 1937 (Cyprinidae)
- mekranensis Springer & Gomon, 1975 (Omobranchus)
- mekranensis Regan, 1905 (Petroscirtes), see Omobranchus mekranensis
- melabranchion (Maylandia)
- melabranchion Stauffer, Bowers, Kellogg & McKaye, 1997 (Metriaclima), see Maylandia melabranchion
- melacara Bæhlke & Randall, 1963 (Gramma)
- melachasme Smith-Vaniz, 1972 (Opistognathus)
- meladerma Bleeker, 1846 (Clarias)
- Meladerma Swainson, 1839 (Rachycentridae), see Rachycentron
- ?melaenocephalus Cocco, 1829 (Tripterygion)
- melaenus Agassiz, 1835 (Abramis), see Abramis brama
- melagaster (Labrus)
- melaleuca Scott, 1954 (Trygonorrhina)
- melammystax Bloch & Schneider, 1801 (Chaetodon), see Chaetodon kleinii
- melampeplus Nielsen, 1997 (Porogadus)
- melampeplus Alcock, 1896 (Dermatorus), see Porogadus melampeplus
- melampetala Richardson, 1846 (Plagiusa), see Cynoglossus arel
- Melamphaes Gìnther, 1864 (Melamphaidae)
- Melamphaidae (Stephanoberyciformes)
- ?melampodus Blosser, 1909 (Apogonichthys)
- ?melampterus Valenciennes, 1848 (Salmo)
- melampterus Bloch & Schneider, 1801 (Labrus), see Hemigymnus melapterus
- melampterus Cope, 1872 (Callichthys), see Hoplosternum littorale
- melampterus Fowler, 1915 (Cataphractops), see Hoplosternum littorale
- melampterus Ortega & Vari, 1986 (Cataphractops), see Hoplosternum littorale
- melampus (Brama)
- melampus Richardson, 1845 (Gasterochisma)
- ?melampus Bloch & Schneider, 1801 (Chaetodon)
- melampygus Cuvier, 1833 (Caranx)
- melanampyx Day, 1865 (Labeo), see Puntius fasciatus
- ?melancranus Richardson, 1846 (Mugil)
- melandetum G©ry, 1960 (Aphyocharacidium)
- melandetus Eigenmann, 1912 (Odontostilbe), see Aphyocharacidium melandetum
- melanepiptera Pellegrin, 1924 (Barbus camptacanthus var. ), see Barbus guirali
- ?melanes Mai, 1978 ( Carassioidescantonensis)
- melanesiae Fowler, 1945 (Yozia bicoarctata), see Trachyrhamphus bicoarctatus
- ?melanesius Randall, 1980 ( Plectranthiaskelloggi)
- melanhypoptera L©vªque & Daget, 1984 (Prolabeops)
- melanhypopterus Pellegrin, 1928 (Barbus), see Prolabeops melanhypoptera
- melanichthys Araga, 1984 (Girella)
- melanichthys Richardson, 1846 (Crenidens), see Girella melanichthys
- melanichthys Temminck & Schlegel, 1844 (Melanychthys), see Girella melanichthys
- ?melanio Kessler, 1859 (Blennius)
- melanio Pallas, 1814 (Gobius), see Neogobius melanostomus
- Melaniris Meek, 1902 (Menidiinae)
- melaniris Fowler, 1940 (Curimata), see Steindachnerina bimaculata
- melanistion Bleeker, 1854 (Heniochus), see Heniochus chrysostomus
- melanistius Regan, 1912 (Corydoras)
- melanistius Regan, 1908 (Monacanthus), see Cantherhines pardalis
- melannotus Bloch & Schneider, 1801 (Chaetodon)
- melannotus Maug© & Bauchot, 1984 (Strongylochaetodon), see Chaetodon melannotus
- melanobolus Regan & Trewavas, 1930 (Eustomias), see Eustomias lipochirus
- melanobrachia Fowler, 1934 (Aspericorvina), see Aspericorvina jubata
- melanobrachium Fowler, 1934 (Johnius), see Aspericorvina jubata
- melanobranchius Compagno, 1984 (Parmaturus), see Parmaturus melanobranchus
- melanobranchus Vaillant, 1888 (Bathygadus)
- melanobranchus (Papillogobius)
- melanobranchus Gilbert & Burke, 1912 (Paraliparis)
- melanobranchus Compagno, 1984 (Parmaturus)
- Melanobranchus Regan, 1903 (Bathygadinae), see Bathygadus
- melanobranchus Chan, 1966 (Dichichthys), see Parmaturus melanobranchus
- melanobranchus Fowler, 1934 (Rhinogobius), see Papillogobius melanobranchus
- melanobranchus Hoese, 1986 (Favonigobius), see Papillogobius melanobranchus
- melanobranchus Regan, 1903 (Melanobranchus), see Bathygadus melanobranchus
- melanocarpus Fowler & Bean, 1928 (Abudefduf), see Neopomacentrus azysron
- ?melanocauda Bertelsen, 1951 (Oneirodes)
- melanocaulus Regan & Trewavas, 1930 (Melanostomias), see Melanostomias valdiviae
- melanoccus Alvarez, 1963 (Chirostoma)
- melanocelidota Gronow, 1854 (Perca), see Epinephelus quoyanus
- melanocephala Kuhl & van Hasselt, 1829 (Platyptera), see Rhyacichthys aspro
- melanocephalus (Chonophorus)
- melanocephalus (Pervagor)
- melanocephalus Abbott, 1860 (Plargyrus), see Pimephales promelas
- melanocephalus Bleeker, 1849 (Gobius), see Chonophorus melanocephalus
- melanocephalus Bleeker, 1849 (Salarias), see Istiblennius edentulus
- melanocephalus Bleeker, 1853 (Monacanthus), see Pervagor melanocephalus
- melanocephalus Dor, 1984 (Stephanolepis), see Pervagor melanocephalus
- melanocephalus Hayashi, 1984 (Awaous), see Chonophorus melanocephalus
- melanocephalus Vaillant, 1888 (Bathytroctes), see Bellocia koefoedi
- melanocercus Parin, 1973 ( Cheilopogonpinnatibarbatus)
- melanocercus Bauchot & Quignard, 1973 (Symphodus)
- melanocercus Ogilby, 1885 (Exocoetus), see Cheilopogon pinnatibarbatus melanocercus
- melanocercus Risso, 1810 (Lutjanus), see Symphodus melanocercus
- Melanocetidae (Lophiiformes)
- Melanocetus Gìnther, 1864 (Melanocetidae)
- Melanocharacidium Buckup, 1993 (Characidiinae)
- melanocheilus Reis & Pereira, 2000 (Loricariichthys)
- melanocheir Eigenmann, 1912 (Gephyrocharax)
- melanocheir Eigenmann, 1918 (Stellifer)
- melanochir Paxton et al., 1989 (Ophichthus)
- melanochir Collette, 1974 (Hyporhamphus)
- melanochir Whitehead et al., 1988 (Setipinna)
- melanochir (Chela)
- melanochir Fowler & Bean, 1928 (Halichoeres)
- melanochir Valenciennes, 1831 (Polynemus)
- melanochir Bleeker, 1877 (Pomacentrus)
- melanochir Bleeker, 1852 (Arius)
- ?melanochir Valenciennes (ex Kuhl & van Hasselt), 1836 (Mugil)
- melanochir Bleeker, 1849 (Engraulis), see Setipinna melanochir
- melanochir Bleeker, 1857 (Julis), see Thalassoma amblycephalus
- melanochir Bleeker, 1858 (Cephalocassis), see Arius melanochir
- melanochir Bleeker, 1865 (Ophichthys), see Ophichthus melanochir
- melanochir Fowler, 1904 (Thalassoma), see Thalassoma amblycephalus
- melanochir Kaup, 1856 (Anguilla), see Anguilla anguilla
- melanochir Valenciennes, 1847 (Hemiramphus), see Hyporhamphus melanochir
- melanochira Moreau, 1874 (Solea), see Solea senegalensis
- melanochira Poey, 1860 (Belone), see Tylosurus crocodilus
- Melanochromis Trewavas, 1935 (Cichlidae)
- melanochrous Fowler, 1913 (Hemigrammus)
- Melanodactylus Bleeker, 1858 (Claroteinae), see Chrysichthys
- melanodactylus Regan & Trewavas, 1932 (Chaenophryne), see Chaenophryne draco
- melanoderma Bleeker, 1858 (Clarias), see Clarias meladerma
- melanoderma Parr, 1928 (Evermannella indica), see Evermannella indica
- melanogaster Bleeker, 1859 (Acheilognathus)
- melanogaster Lee et al., 1983 (Limia)
- melanogaster Roberts, 1989 (Acrochordonichthys)
- melanogaster Bleeker, 1854 (Pimelodus), see Acrochordonichthys melanogaster
- melanogaster Ehrenberg, 1868 (Synodontis), see Synodontis batensoda
- melanogaster Gìnther, 1866 (Poecilia), see Limia melanogaster
- melanogaster Mitchill, 1815 (Pleuronectes), see Paralichthys dentatus
- melanogeneion Pietschmann, 1928 (Ptenonotus), see Parexocoetus brachypterus
- Melanogenes Bleeker, 1863 (Cichlidae), see Sarotherodon
- melanogenys Eigenmann, 1911 (Glandulocauda)
- melanogenys Boulenger, 1906 (Enantiopus)
- melanogenys Boulenger, 1898 (Ectodus), see Enantiopus melanogenys
- Melanogloea Barnard, 1941 (Ateleopodidae), see Guentherus
- Melanogrammus Gill, 1862 (Gadidae)
- melanoides Poll, 1985 (Benthochromis)
- ?melanoides Ogilby, 1908 (Pseudomonacanthus)
- melanoides Poll, 1984 (Haplotaxodon), see Benthochromis melanoides
- melanoleuca Nalbant, 1993 (Cobitis)
- melanoleucus Kyushin et al., 1977 (Plectropomus), see Plectropomus laevis
- melanoleucus Lacep¨de, 1802 (Bodianus), see Plectropomus laevis
- ?melanolophus Bertelsen & Krefft, 1988 (Himantolophus)
- melanomaculata Aoyagi, 1941 (Chrysiptera), see Chrysiptera oxycephala
- ?melanomaculatus Deraniyagala, 1956 ( Puntiusticto)
- melanomaculatus (Barbus), see Puntius ticto melanomaculatus
- melanomanus Kobilyansky, 1998 (Glossanodon)
- melanomarginatus Randall & Shen, 1978 (Cirrhilabrus)
- melanometopon Bleeker, 1873 (Epinephelus flavocoeruleus var. ), see Epinephelus flavocaeruleus
- ?melanomycter Cohen, 1981 (Saccogaster)
- melanonema Regan & Trewavas, 1930 (Eustomias)
- Melanonidae (Gadiformes)
- Melanonosoma Gilchrist, 1902 (Melanonidae), see Melanonus
- melanonotata (Limia)
- melanonotata Rosen & Bailey, 1963 (Poecilia), see Limia melanonotata
- melanonotus Eccles & Trewavas, 1989 (Platygnathochromis)
- melanonotus Regan, 1922 (Haplochromis), see Platygnathochromis melanonotus
- Melanonus Gìnther, 1878 (Melanonidae)
- melanoorus (Austrolebias)
- melanoorus Amato, 1986 (Cynolebias), see Austrolebias melanoorus
- melanopa Weber, 1913 (Leiogaster), see Hoplostethus melanopus
- melanophrys Russell & Chin, 1996 (Parascolopsis)
- melanophrys Swainson, 1839 (Myripristis), see Myripristis murdjan
- melanopleura Eigenmann, 1911 (Glandulocauda)
- melanopleura Gìnther, 1864 (Leporinus)
- ?melanopleura Bleeker, 1849 (Balistes)
- melanopleura Bleeker, 1852 (Rohita), see Osteochilus melanopleurus
- melanopleura Bleeker, 1858 (Syngnathus), see Doryrhamphus excisus
- melanopleura Bleeker, 1860 (Poecilia), see Gambusia melapleura
- melanopleura Dawson, 1981 (Doryrhamphus), see Doryrhamphus excisus
- melanopleura Dum©ril, 1861 (Tilapia), see Tilapia zillii
- melanopleura Gìnther, 1868 (Osteochilus), see Osteochilus melanopleurus
- melanopleurus Ellis, 1911 (Hyphessobrycon)
- melanopleurus Roberts, 1989 (Osteochilus)
- melanopleurus Gìnther, 1866 (Haplochilus), see Gambusia melapleura
- melanopogon Fowler, 1906 (Eigenmannina)
- melanopogon Randall & Hoese, 1985 (Ptereleotris)
- melanopogon Miranda-Ribeiro, 1917 (Ageneiosus)
- melanopogon Regan & Trewavas, 1930 (Melanostomias)
- melanopogon Cope, 1878 (Anodus), see Eigenmannina melanopogon
- melanopogon Fowler, 1936 (Clarias), see Clarias longior
- melanopogon Steindachner, 1864 (Heros), see Theraps melanurus
- ?melanopoma Gìnther, 1864 (Polynemus)
- melanopoma Playfair, 1867 (Chaetodon), see Chaetodon semilarvatus
- melanoporus Kanazawa, 1963 (Ophichthus)
- melanoproctes Randall, 1995 (Thamnaconus)
- melanoproctes Boulenger, 1889 (Monacanthus), see Thamnaconus melanoproctes
- melanoproctus Fraser & Randall, 1976 (Apogon)
- melanops Jordan, 1878 (Minytrema)
- melanops International Union for Conservation of Nature & Natural Resources (IUCN), 1994 (Vimba)
- melanops Girard, 1856 (Dionda)
- melanops ( Rutilusrutilus x vimba)
- melanops Girard, 1855 (Percichthys)
- melanops Girard, 1856 (Sebastes)
- melanops Eigenmann & Eigenmann, 1889 (Tridens)
- melanops Brauer, 1902 (Melanostomias)
- melanops Cope, 1870 (Haplochilus), see Gambusia affinis
- melanops Gill, 1861 (Percosoma), see Percichthys melanops
- melanops Gill, 1864 (Sebastosomus), see Sebastes melanops
- melanops Heckel, 1837 (Abramis), see Vimba melanops
- melanops Rafinesque, 1820 (Catostomus), see Minytrema melanops
- melanops Rafinesque, 1820 (Teretulus), see Minytrema melanops
- melanops Reinwardt, 1862-63 (Julis), see Novaculichthys taeniourus
- melanopselion Fowler, 1918 (Abudefduf), see Hemiglyphidodon plagiometopon
- melanopselion Fowler, 1918 (Ctenoglyphidodon), see Hemiglyphidodon plagiometopon
- melanopsis Kaup, 1855 (Diodon), see Diodon eydouxii
- melanoptera Swainson, 1839 (Alepes)
- melanoptera Roberts, 1989 (Channa)
- melanoptera Gìnther, 1862 (Julis), see Thalassoma lutescens
- melanoptera Knapp & Wongratana, 1987 (Sorsogona), see Rogadius melanopterus
- melanoptera Kner (ex Natterer), 1854 (Loricaria), see Cochliodon cochliodon
- melanoptera Kuhl & van Hasselt, 1852 (Seriola), see Atropus atropos
- melanoptera Visweswara Rao, 1971 (Callogobius), see Egglestonichthys malenoptera
- melanoptera Whitley, 1934 (Mapolamia), see Carcharhinus melanopterus
- melanopteron Buckup, 1993 (Melanocharacidium)
- melanopteron Goldstein & Ricco, 1970 (Aphyosemion), see Aphyosemion congicum
- melanopterum Miranda-Ribeiro, 1918 (Glanidium)
- ?melanopterum Ranzani, 1842 (Haemulon)
- melanopterum Cope, 1872 (Megalobrycon), see Brycon melanopterus
- melanopterum Cuvier, 1830 (Pristipoma), see Anisotremus surinamensis
- melanopterus Collette & Parin, 1978 (Hyporhamphus)
- melanopterus Kotlyar, 1986 (Hoplostethus)
- melanopterus Howes, 1982 (Brycon)
- melanopterus Bleeker, 1859 (Balantiocheilos)
- melanopterus (Osteochilus)
- melanopterus Weber & de Beaufort, 1916 (Leptobarbus)
- melanopterus Gilbert, 1905 (Gadomus)
- melanopterus (Mugil)
- melanopterus (Apogonichthys)
- melanopterus Greenwood, 1980 (Lipochromis)
- melanopterus Trewavas, 1935 (Melanochromis)
- melanopterus Bleeker, 1852 (Eleotris)
- melanopterus Robins & Ray, 1986 (Eucinostomus)
- melanopterus Imamura, 1996 (Rogadius)
- melanopterus (Bagroides)
- melanopterus Boulenger, 1903 (Synodontis)
- melanopterus Blainville, 1816 (Carcharhinus)
- ?melanopterus Bleeker, 1872 (Pseudobrama)
- ?melanopterus Shen & Lim, 1973 (Acanthurus)
- melanopterus (Puntius), see Balantiocheilos melanopterus
- melanopterus (Systomus), see Balantiocheilos melanopterus
- melanopterus Bleeker, 1850 (Panchax), see Aplocheilus panchax
- melanopterus Bleeker, 1851 (Barbus), see Balantiocheilos melanopterus
- melanopterus Bleeker, 1851 (Plagusia), see Cynoglossus monopus
- melanopterus Bleeker, 1852 (Pomacentrus), see Pomacentrus brachialis
- melanopterus Bleeker, 1855 (Holocentrum), see Sargocentron spiniferum
- melanopterus Bleeker, 1855 (Ophicephalus), see Channa melanoptera
- melanopterus Bleeker, 1863 (Gerres), see Eucinostomus melanopterus
- melanopterus Bleeker, 1867 (Gobius), see Chonophorus pallidus
- melanopterus Cope, 1871 (Balistes), see Canthidermis maculatus
- melanopterus Eigenmann, 1915 (Megalamphodus), see Hyphessobrycon megalopterus
- melanopterus Forster, 1795 (Labrus), see Hemigymnus melapterus
- melanopterus Playfair, 1867 (Chaetodon), see Chaetodon melapterus
- melanopterus Quoy & Gaimard, 1824 (Carcharias), see Carcharhinus melanopterus
- melanopterus Shaw, 1804 (Sparus), see Hemigymnus melapterus
- melanopterus Shen, 1969 (Cynoglossus), see Cynoglossus kopsii
- melanopterus Trewavas, 1928 (Haplochromis), see Lipochromis melanopterus
- melanopterus Walbaum, 1792 (Gobius), see Chonophorus pallidus
- ?melanopterygius Bleeker, 1849 (Arius)
- melanopus Kotlyar, 1986 (Hoplostethus)
- melanopus Weber, 1911 (Apogon)
- melanopus Allen, 1980 (Coradion)
- melanopus (Ephippus)
- melanopus Bleeker, 1852 (Amphiprion)
- melanopus Gìnther, 1864 (Arius)
- ?melanopus Bleeker, 1872 (Chela)
- ?melanopus Bleeker (ex Castelnau), 1859-60 (Gobius)
- ?melanopus Sauvage, 1881 (Polynemus)
- melanopus Bleeker, 1856 (Glyphisodon), see Neoglyphidodon melas
- melanopus Cuvier, 1831 (Chaetodon), see Coradion melanopus
- melanopus Gìnther, 1868 (Exocoetus), see Exocoetus monocirrhus
- melanopus Regan, 1922 (Haplochromis), see Astatotilapia cinerea
- melanopus Weber, 1913 (Leiogaster), see Hoplostethus melanopus
- melanorhabdus Regan & Trewavas, 1932 (Chaenophryne)
- melanorhijnchos Bleeker, 1852 (Apogon), see Apogon melanorhynchos
- melanorhijnchus Bleeker, 1851 (Plagusia), see Achiroides melanorhynchus
- Melanorhinus Metzelaar, 1919 (Menidiinae)
- melanorhyncha Kaup, 1858 (Eurypleura), see Achiroides melanorhynchus
- melanorhynchos (Apogon)
- ?melanorhynchos Bleeker, 1855 (Arothron)
- melanorhynchus Bleeker, 1851 (Achiroides)
- melanorhynchus Bleeker, 1851 (Plagusia), see Achiroides melanorhynchus
- melanosaurus Cocco, 1839 (Trachurus), see Trachurus picturatus
- melanosema Lea & Fitch, 1979 (Sebastes)
- melanosoma Fitzsimons, 1972 (Xenotoca)
- melanosoma Bleeker, 1852 (Eleotris)
- melanosoma Allen, 1980 (Chaetodontoplus)
- melanosoma S©ret, 1986 (Anacanthobatis)
- melanosoma (Pseudoholamoptera), see Balitora burmanica
- melanosoma Bleeker, 1852 (Gobius), see Paragobiodon echinocephalus
- melanosoma Bleeker, 1853 (Holacanthus), see Chaetodontoplus melanosoma
- melanosoma Bleeker, 1860 (Platax), see Platax pinnatus
- melanosoma Chan, 1965 (Springeria), see Anacanthobatis melanosoma
- melanosoma Hora, 1932 (Balitora brucei var. ), see Balitora brucei
- melanosoma Regan, 1909 (Salarias), see Ecsenius bicolor
- melanosomus Yoshino & Yamamoto, 1984 (Paragobiodon), see Paragobiodon echinocephalus
- melanospila Masuda et al., 1984 (Taeniura)
- melanospilos (Gymnothorax)
- melanospilos Randall & Heemstra, 1985 (Sargocentron)
- melanospilos Allen, 1980 (Genicanthus)
- melanospilos Bleeker, 1852 (Mesoprion), see Lutjanus rufolineatus
- melanospilos Bleeker, 1853 (Taeniura), see Taeniura melanospila
- melanospilos Bleeker, 1854 (Achirus), see Liachirus melanospilus
- melanospilos Bleeker, 1854 (Amphacanthus), see Siganus punctatus
- melanospilos Bleeker, 1854 (Hippocampus), see Hippocampus kuda
- melanospilos Bleeker, 1855 (Muraena), see Gymnothorax melanospilos
- melanospilos Bleeker, 1857 (Holacanthus), see Genicanthus melanospilos
- melanospilos Bleeker, 1858 (Holocentrum), see Sargocentron melanospilos
- ?melanospilum Kner, 1867 (Diagramma)
- melanospilus Wildekamp et al., 1986 (Nothobranchius)
- melanospilus Randall, 1995 (Enneapterygius)
- melanospilus Ochiai, 1984 (Liachirus)
- melanospilus Hatooka, 1984 (Muraena), see Gymnothorax melanospilos
- melanospilus Pfeffer, 1896 (Fundulus), see Nothobranchius melanospilus
- ?melanosternon Smith, 1955 (Acanthurus)
- melanostethos Day, 1865 (Caranx), see Carangoides praeustus
- melanosticta Day, 1876 (Gobius), see Stigmatogobius javanicus
- melanosticta Peters, 1877 (Achirus), see Aseraggodes melanostictus
- melanosticta Peters, 1877 (Solea), see Aseraggodes melanostictus
- melanosticta Randall & Heemstra, 1986 (Myripristis), see Myripristis botche
- melanosticta Regan, 1913 (Gambusia), see Gambusia puncticulata
- melanosticta Temminck & Schlegel, 1846 (Clupea), see Sardinops sagax
- melanosticta Valenciennes, 1847 (Alausa), see Sardinops sagax
- melanostictus Norman, 1926 (Leporinus)
- melanostictus Myers, 1991 (Aseraggodes)
- melanostictus Girard, 1854 (Psettichthys)
- melanostictus Bleeker, 1863 (Myripristis), see Myripristis botche
- melanostictus Boulenger, 1906 (Synodontis), see Synodontis nigromaculatus
- melanostictus Fowler, 1944 (Liosaccus), see Sphoeroides annulatus
- melanostictus Uyeno & Sato, 1984 (Sardinops), see Sardinops sagax
- Melanostigma Gìnther, 1881 (Zoarcidae)
- melanostigma Schultz, 1944 (Saccoderma)
- melanostigma Talwar & Jhingran, 1991 (Puntius)
- melanostigma Regan, 1920 (Callochromis)
- melanostigma Hoese, 1986 (Butis)
- melanostigma Fowler & Bean, 1928 (Choerodon)
- melanostigma Schultz, 1953 (Epinephelus)
- melanostigma Day, 1875 (Pseudosynanceia)
- melanostigma Regan & Trewavas, 1930 (Eustomias)
- ?melanostigma Day, 1876 (Atherina)
- ?melanostigma Bleeker, 1875-78 (Myripristis)
- ?melanostigma Bleeker, 1863 ( Chiloscylliumornatum)
- melanostigma Bleeker, 1849 (Eleotris), see Butis melanostigma
- melanostigma Bleeker, 1849 (Gobius), see Oligolepis acutipennis
- melanostigma Bleeker, 1874 (Oligolepis), see Oligolepis acutipennis
- melanostigma Boulenger, 1906 (Pelmatochromis), see Callochromis melanostigma
- melanostigma Day, 1878 (Barbus), see Puntius melanostigma
- melanostigma Fowler & Bean, 1922 (Cirrhinus), see Cirrhinus molitorella
- melanostigma Kuhl, 1856 (Muraena), see Gymnothorax fimbriatus
- melanostigma Norman, 1939 (Halaelurus), see Holohalaelurus regani
- melanostigma Norman, 1939 (Scyliorhinus), see Holohalaelurus regani
- melanostigma Valenciennes (ex Ehrenberg), 1846 (Belone), see Ablennes hians
- ?melanostigmoides Gibbs, Clarke & Gomon, 1983 (Eustomias)
- melanostigmum Schultz, 1944 (Saccoderma), see Saccoderma melanostigma
- melanostolus Richardson, 1842 (Amphiprion), see Amphiprion clarkii
- melanostoma Ortega & Vari, 1986 (Pyrrhulina)
- melanostoma Whitehead, 1985 (Ramnogaster)
- Melanostoma Dæderlein in Steindachner & Dæderlein, 1883 (Acropomatidae), see Synagrops
- melanostoma Cope, 1870 (Holotaxis), see Pyrrhulina melanostoma
- melanostoma Holmberg, 1891 (Piabuca), see Piabucus melanostomus
- melanostoma Iljin, 1927 (Apollonia), see Neogobius melanostomus
- Melanostomias Brauer, 1902 (Melanostomiinae)
- melanostomias Toyoshima, 1983 (Lycenchelys)
- Melanostomiinae (Stomiidae)
- melanostomum Bonaparte, 1834 (Scyllium), see Galeus melastomus
- melanostomus Holmberg, 1891 (Piabucus)
- melanostomus Bortone, 1989 (Notropis)
- melanostomus Caruso, 1989 (Bathychaunax)
- melanostomus Iljin, 1927 (Neogobius)
- melanostomus Eschmeyer & Herald, 1983 (Sebastes)
- melanostomus Berg, 1932 (Salvelinus lepechini), see Salvelinus lepechini
- melanostomus Cope, 1870 (Holotaxis), see Pyrrhulina melanostoma
- melanostomus Eigenmann & Eigenmann, 1890 (Sebastodes), see Sebastes melanostomus
- melanostomus Eigenmann, 1907 (Pomolobus), see Ramnogaster melanostoma
- melanostomus Lowe, 1843 (Pristiurus), see Galeus melastomus
- melanostomus Nilsson, 1855 (Gadus), see Micromesistius poutassou
- melanostomus Pallas, 1814 (Gobius), see Neogobius melanostomus
- melanota Derscheid, 1924 (Ilisha), see Ilisha africana
- melanota Randall & Lubbock, 1982 (Ptereleotris grammica), see Ptereleotris grammica
- Melanotaenia Gill, 1862 (Melanotaeniidae)
- melanotaenia Bleeker, 1865 (Callechelys)
- melanotaenia Stiassny, 1991 (Barbus)
- melanotaenia (Lobocheilus)
- melanotaenia Boulenger, 1894 (Leptobarbus)
- melanotaenia (Cynopoecilus)
- melanotaenia Axelrod, 1993 (Mylochromis)
- melanotaenia Regan, 1912 (Corydoras)
- melanotaenia Bleeker, 1852 (Cichlops), see Dampieria cyclophthalma
- melanotaenia Bleeker, 1857 (Serranus), see Variola louti
- melanotaenia Bleeker, 1863 (Lutjanus), see Lutjanus lemniscatus
- melanotaenia Bleeker, 1863 (Pseudochromis), see Pseudochromis tapeinosoma
- melanotaenia Bleeker, 1875 (Leptochromis), see Pseudochromis tapeinosoma
- melanotaenia Eccles & Trewavas, 1989 (Maravichromis), see Mylochromis melanotaenia
- melanotaenia Fowler, 1935 (Tylognathus), see Lobocheilus melanotaenia
- melanotaenia Malabarba, 1989 (Cynolebias), see Cynopoecilus melanotaenia
- melanotaenia Rainboth, 1996 (Lobocheilos), see Lobocheilus melanotaenia
- melanotaenia Regan, 1905 (Apogon), see Apogon cookii
- melanotaenia Regan, 1912 (Cynolebias), see Cynopoecilus melanotaenia
- melanotaenia Regan, 1922 (Haplochromis), see Mylochromis melanotaenia
- melanotaenia Shen, (ed.), 1993 (Labracinus), see Dampieria cyclophthalma
- Melanotaeniidae (Atheriniformes)
- melanotheron (Sarotherodon)
- melanotheron authors (Tilapia)
- melanotheron Ruppel, 1852 (Sarotherodon), see Tilapia melanotheron
- melanotheron Rìppell, 1852 (Sarotherodon), see Tilapia melanotheron
- melanothorax Parr, 1928 (Lampanyctus), see Lepidophanes guentheri
- melanothos Gronow, 1854 (Holocanthus), see Lagocephalus laevigatus
- melanotis Bæhlke et al., 1989 (Muraena)
- melanotis Allen & Robertson, 1991 (Halichoeres)
- melanotis Bleeker, 1862 (Scarus), see Sparisoma viride
- melanotis Bussing, 1987 (Pseudospilus), see Halichoeres melanotis
- melanotis Gilbert, 1890 (Pseudojulis), see Halichoeres melanotis
- melanotis Kaup, 1860 (Limamuraena), see Muraena melanotis
- melanotopterus Bleeker, 1851 (Callionymus)
- melanotopterus Bleeker, 1850 (Panchax), see Aplocheilus panchax
- melanotus Eigenmann, 1912 (Aphyocharax)
- melanotus Eigenmann & Pearson, 1924 (Prodontocharax)
- melanotus Yoshino, 1984 (Dischistodus)
- melanotus (Pseudochromis)
- ?melanotus Rafinesque, 1820 (Catostomus)
- ?melanotus Cuvier (ex Reinwardt), 1831 (Chaetodon)
- ?melanotus Rafinesque, 1810 (Labrus)
- ?melanotus Rafinesque, 1820 (Teretulus), see Catostomus melanotus
- melanotus Ahl, 1926 (Rhamphochromis), see Rhamphochromis leptosoma
- melanotus Bleeker, 1850 (Belone), see Tylosurus imperialis
- melanotus Bleeker, 1855 (Gomphosus), see Gomphosus caeruleus
- melanotus Bleeker, 1858 (Pomacentrus), see Dischistodus melanotus
- melanotus Heckel & Kner, 1858 (Idus), see Leuciscus idus
- melanotus Heckel, 1843 (Idus), see Leuciscus idus
- melanotus Lacep¨de, 1802 (Sparus), see Lutjanus argentimaculatus
- melanotus Parin, 1967 (Tylosurus acus), see Tylosurus imperialis
- melanotus Temminck & Schlegel, 1846 (Cyprinus), see Cyprinus carpio
- melanotus Whitley, 1935 (Djulongius), see Tylosurus imperialis
- melanoventris Osãrio, 1909 (Notacanthus), see Notacanthus chemnitzii
- melanoxanthus Kner (ex Heckel), 1860 (Brycon), see Brycon orbignyanus
- melanozonatus Aoyagi, 1941 (Abudefduf), see Plectroglyphidodon leucozona
- melantereon Fowler, 1950 (Epiplatys), see Aphyosemion jeanpoli
- melantereon Grimm, 1974 (Roloffia), see Aphyosemion jeanpoli
- melantereon Huber, 1980 (Aphyosemion), see Aphyosemion jeanpoli
- Melantha Gistel, 1848 (Sciaenidae), see Sciaena
- melanum (Ariomma)
- melanura Dor, 1984 (Sardinella)
- melanura Ellis, 1911 (Hasemania)
- melanura Cuvier, 1829 (Oblada)
- ?melanura Pallas, 1814 (Sciaena)
- Melanura Agassiz, 1853 (Umbridae), see Umbra
- melanura Bleeker, 1868 (Paralosa), see Sardinella melanura
- melanura Cuvier, 1829 (Clupea), see Sardinella melanura
- melanura Fowler, 1925 (Pterosmaris), see Spicara melanurus
- melanura Jordan & Evermann, 1896 (Allochir), see Careproctus melanurus
- melanura Linnaeus, 1758 (Perca), see Haemulon melanurum
- melanura Lowe, 1839 (Julis), see Coris julis
- melanura Macleay, 1881 (Labrichthys), see Pseudolabrus guentheri
- melanura Rafinesque, 1810 (Nettastoma), see Nettastoma melanurum
- melanura Rìppell, 1838 (Diacope), see Lutjanus gibbus
- melanura Valenciennes, 1847 (Alausa), see Sardinella melanura
- melanuro (Gobius)
- melanuroides Schmidt, 1950 (Careproctus)
- melanuropterus Bleeker, 1852 (Monacanthus), see Cantherhines pardalis
- ?melanuros Gmelin, 1789 (Gobius)
- melanurum Rafinesque, 1810 (Nettastoma)
- melanurum Chen & Weng, 1967 (Dysomma)
- melanurum Goode & Bean, 1896 (Laemonema)
- melanurum Courtenay, 1961 (Haemulon)
- melanurum Conkel, 1993 (Cichlasoma), see Theraps melanurus
- melanurum Robins & Ray, 1986 (Perca), see Haemulon melanurum
- melanurus Smith, 1949 (Chatrabus)
- melanurus (Cheilopogon)
- melanurus (Cypselurus)
- melanurus G©ry et al., 1991 (Bryconops)
- melanurus (Acanthurus)
- melanurus (Spicara)
- melanurus (Theraps)
- melanurus Bleeker, 1857 (Anampses)
- melanurus Araga, 1984 (Halichoeres)
- melanurus Bleeker, 1854 (Dascyllus)
- melanurus Guichenot, 1850 (Tripterygion)
- melanurus Clark, 1936 (Symphurus)
- melanurus Gilbert, 1892 (Careproctus)
- melanurus Fourmanoir & Rivaton, 1979 (Squalus)
- ?melanurus Rafinesque, 1820 (Rutilus)
- ?melanurus Bleeker (ex Castelnau), 1859-60 (Apogon)
- ?melanurus Bleeker, 1849 (Eleotris)
- ?melanurus Richardson (ex Broussonnet), 1846 (Gobioides)
- ?melanurus Rafinesque, 1820 ( Siluruscerulescens)
- melanurus Barnard, 1927 (Batrachoides), see Chatrabus melanurus
- melanurus Bleeker, 1849 (Belone), see Tylosurus crocodilus
- melanurus Bleeker, 1849 (Gobius), see Hemigobius bleekeri
- melanurus Bleeker, 1851 (Julis), see Halichoeres melanurus
- melanurus Bleeker, 1853 (Harengula), see Sardinella atricauda
- melanurus Bleeker, 1874 (Hemigobius), see Hemigobius bleekeri
- melanurus Bloch, 1794 (Salmo), see Bryconops melanurus
- melanurus Cuvier, 1830 (Amphiprion), see Amphiprion ocellaris
- melanurus Geoffroy St. Hilaire, 1817 (Bodianus), see Epinephelus areolatus
- melanurus Gibbs & Staiger, 1970 (Cypselurus), see Cheilopogon melanurus
- melanurus Gìnther, 1862 (Heros), see Theraps melanurus
- melanurus Gìnther, 1864 (Creatochanes), see Bryconops melanurus
- melanurus Kner (ex Natterer), 1860 (Salmo), see Bryconops melanurus
- melanurus Linnaeus, 1758 (Sparus), see Oblada melanura
- melanurus Rafinesque, 1817 (Cyprinus), see Luxilus cornutus
- melanurus Swainson, 1839 (Pachypterus), see Eutropiichthys murius
- melanurus Tortonese et al., 1973 (Pterosmaris), see Spicara melanurus
- melanurus Valenciennes, 1830 (Smaris), see Spicara melanurus
- melanurus Valenciennes, 1847 (Exocoetus), see Cheilopogon melanurus
- melanurus Valenciennes, 1847 (Hemiramphus), see Hyporhamphus quoyi
- melanus Ginsburg, 1954 (Cubiceps), see Ariomma melanum
- Melanychthys Temminck & Schlegel, 1844 (Girellinae), see Girella
- ?melanypopterus Pellegrin, 1928 (Barbus)
- melanzonus Eigenmann, 1909 (Creagrutus)
- melanzonus Eigenmann, 1909 (Acanthophacelus), see Poecilia parae
- Melapedalion Fowler, 1934 (Hemiramphidae)
- melapleura Rosen & Bailey, 1963 (Gambusia)
- melapleura Gosse, 1851 (Poecilia), see Gambusia melapleura
- melapterus (Chaetodon)
- melapterus Dor, 1984 (Hemigymnus)
- melapterus Bleeker, 1851 (Bagroides)
- melapterus (Tautoga), see Hemigymnus melapterus
- melapterus Bleeker, 1851 (Bagro¯des), see Bagroides melapterus
- melapterus Bloch, 1791 (Labrus), see Hemigymnus melapterus
- melarchus McKinney & Springer, 1976 (Ecsenius)
- melas (Acanthurus)
- melas Bleeker, 1848 (Apogon)
- melas Randall & Earle, 1994 (Halichoeres)
- melas (Neoglyphidodon)
- melas Lubbock, 1977 (Pseudochromis)
- melas Nichols, 1916 (Gymnachirus)
- melas Boulenger, 1900 (Clariallabes)
- melas Page & Burr, 1991 (Ameiurus)
- melas Eigenmann, 1916 (Ancistrus)
- melas Eigenmann, 1912 (Brachyglanis)
- ?melas de Buen, 1961 (Alepocephalus)
- ?melas Peters, 1855 (Serranus)
- ?melas Bleeker, 1851 (Apistus)
- ?melas Bleeker, 1846 (Bagrus)
- ?melas Gìnther, 1876 (Monacanthus)
- melas Bigelow, Schroeder & Springer, 1953 (Scymnodon), see Centroscymnus coelolepis
- melas Bleeker, 1849 (Plesiops), see Plesiops coeruleolineatus
- melas Bleeker, 1857 (Antennarius), see Antennarius striatus
- melas Boulenger, 1887 (Clarias), see Clariallabes melas
- melas Cope, 1874 (Bunocephalus), see Dysichthys aleuropsis
- melas Cuvier (ex Kuhl & van Hasselt), 1830 (Glyphisodon), see Neoglyphidodon melas
- melas Dor, 1984 (Paraglyphidodon), see Neoglyphidodon melas
- melas Fowler, 1918 (Amia), see Apogonichthys melanopterus
- melas Lee et al., 1980 (Ictalurus), see Ameiurus melas
- melas Rafinesque, 1820 (Pimelodus), see Ameiurus melas
- melas Rafinesque, 1820 (Silurus), see Ameiurus melas
- melas Regan & Trewavas, 1930 (Bathophilus), see Bathophilus pawneei
- melasemeion (Hyphessobrycon)
- melasma Lachner & Taylor, 1960 (Archamia)
- melasma Vari, Harold & Taphorn, 1994 (Creagrutus)
- melasma Lachner & Karnella, 1980 (Eviota)
- melasma Gomon, 1974 (Decodon)
- melasma Anderson & Gutherz, 1967 (Trichopsetta)
- melasma Eschmeyer, 1965 (Scorpaena)
- melasmapomus Randall, 1981 (Halichoeres)
- melasmatotheca Munroe & Nizinski, 1990 (Symphurus)
- melasoma Roberts, 1989 (Channa)
- melasoma Bleeker, 1851 (Ophicephalus), see Channa melasoma
- melasoma Bleeker, 1852 (Clarias), see Clarias meladerma
- melasopterus Eigenmann & Kennedy, 1903 (Hemigrammus), see Hyphessobrycon eques
- melastigma Uwa & Parenti, 1988 (Oryzias), see Oryzias melastigmus
- melastigmus Jordan & Snyder, 1906 (Oryzias)
- melastigmus McClelland, 1839 (Aplocheilus), see Oryzias melastigmus
- melastoma Whitehead, 1985 (Ilisha)
- melastoma Bloch & Schneider, 1801 (Clupea), see Ilisha melastoma
- melastoma Temminck & Schlegel, 1846 (Clupea), see Ilisha melastoma
- melastomus Rafinesque, 1810 (Galeus)
- melastomus Bloch & Schneider, 1801 (Chaetodon), see Chaetodon kleinii
- melastomus Bonaparte, 1834 (Pristiurus), see Galeus melastomus
- melastomus Bonaparte, 1838 (Pristidurus), see Galeus melastomus
- melatremus Schultz, 1953 (Gymnothorax)
- melazonatus Durbin, 1908 (Hyphessobrycon)
- melbae Burgess, 1978 (Amphichaetodon)
- melbournensis Gomon et al., 1994 (Parequula)
- melbournensis Castelnau, 1872 (Gerres), see Parequula melbournensis
- melbournensis Ogilby, 1888 (Chthamalopteryx), see Parequula melbournensis
- melbournensis Sauvage, 1880 (Eleotriodes), see Philypnodon grandiceps
- melbournensis Sauvage, 1880 (Eleotris), see Philypnodon grandiceps
- meleagrides Valenciennes, 1840 (Anampses)
- meleagrides Valenciennes, 1842 (Saurus), see Synodus synodus
- meleagris (Gymnothorax)
- meleagris Lee et al., 1980 ( Rhinichthysatratulus)
- meleagris Springer & Williams, 1994 (Istiblennius)
- meleagris (Chaetodon)
- meleagris Bìscher, 1991 (Lamprologus)
- meleagris Araga, 1984 (Macropharyngodon)
- meleagris Hoese & Kuiter, 1984 (Paraplesiops)
- meleagris Isbrìcker, 1980 (Hypostomus)
- meleagris Shaw, 1796 (Ostracion)
- meleagris Matsuura, 1984 (Arothron)
- ?meleagris Shaw, 1803 (Acanthurus)
- meleagris Alcock, 1896 (Holacanthus alternans var. ), see Pomacanthus semicirculatus
- meleagris Cuvier, 1830 (Etroplus), see Etroplus suratensis
- meleagris Dor, 1984 (Lycodontis), see Gymnothorax meleagris
- meleagris Ehrenberg, 1837 (Cryptocentrus), see Cryptocentrus cryptocentrus
- meleagris Gìnther, 1862 (Anampses), see Anampses meleagrides
- meleagris Lacep¨de (ex Commerson), 1798 (Tetraodon), see Arothron meleagris
- meleagris Lacep¨de (ex Commerson), 1798 (Tetrodon), see Arothron meleagris
- meleagris Marini, Nichols & La Monte, 1933 (Plecostomus), see Hypostomus meleagris
- meleagris Peters, 1864 (Sebastes), see Epinephelus summana
- meleagris Peters, 1869 (Plesiops), see Paraplesiops meleagris
- meleagris Rìppell, 1852 (Choerops), see Choerodon anchorago
- meleagris Shaw, 1795 (Muraena), see Gymnothorax meleagris
- meleagris Valenciennes, 1836 (Salarias), see Istiblennius meleagris
- meleagris Valenciennes, 1839 (Julis), see Macropharyngodon meleagris
- Meletta Valenciennes in Cuvier & Valenciennes, 1847 (Clupeidae), see Sprattus
- meletta Cuvier, 1829 (Engraulis), see Engraulis encrasicolus
- melettina Valenciennes, 1844 (Leuciscus), see Amblypharyngodon melettinus
- melettinus Pethiyagoda, 1991 (Amblypharyngodon)
- melga ( Coregonuslavaretus)
- Melichthys Swainson, 1839 (Balistidae)
- melini Lænnberg & Rendahl, 1930 (Corydoras)
- melini Isbrìcker, 1980 (Rineloricaria)
- melini Schindler, 1959 (Loricariichthys), see Rineloricaria melini
- melinoptera Smith & Smith, 1986 (Liza)
- melinopterus Senou, 1997 (Chelon), see Liza melinoptera
- melinopterus Valenciennes, 1836 (Mugil), see Liza melinoptera
- melitensis Clark, 1926 (Raja)
- melitensis Clark, 1926 (Raia), see Raja melitensis
- mellandi Skelton & Teugels, 1991 (Serranochromis)
- mellandi Boulenger, 1905 (Clarias), see Clarias ngamensis
- mellandi Boulenger, 1905 (Paratilapia), see Serranochromis mellandi
- mellandi Boulenger, 1914 (Mastacembelus), see Caecomastacembelus frenatus
- ?melliet Walbaum, 1792 ( Scomberequula)
- mellis Allen & Ivantsoff, 1982 (Pseudomugil)
- mellis Emery & Burgess, 1974 (Eupomacentrus), see Stegastes diencaeus
- mellissi Edwards & Glass, 1987 (Ariosoma)
- mellissi Norman, 1931 (Bothus)
- mellissii Gìnther, 1868 (Scorpaena)
- mellissii Gìnther, 1870 (Congromuraena), see Ariosoma mellissi
- mellitus Johnson, 1976 (Melanochromis)
- Melloina Amaral Campos, 1946 (Myleinae), see Colossoma
- ?melo Richardson, 1846 (Trachinotus)
- melobesia Phillipps, 1927 (Trachelochismus)
- melobesia Whitley & Phillipps, 1939 (Oliverichthus), see Trachelochismus melobesia
- Melodichthys (Brosmophycinae)
- melogramma Eigenmann, 1908 (Moenkhausia)
- melogrammus Eigenmann, 1908 (Moenkhausia), see Moenkhausia melogramma
- melope McCosker & Rosenblatt, 1998 (Ophichthus)
- melops Bauchot & Quignard, 1973 (Symphodus)
- melops Linnaeus, 1758 (Labrus), see Symphodus melops
- melrosei Nichols & Pope, 1927 (Megalobrama), see Megalobrama macrops
- melsomi Whitley, 1945 (Planiprora), see Platycephalus speculator
- Memarchus Kaup in Dum©ril, 1856 (Apteronotidae), see Apteronotus
- Membracidichthys Whitley, 1933 (Aploactinidae), see Paraploactis
- membranacea Bleeker, 1862 (Hemisynodontis), see Synodontis membranaceus
- membranacea Goode & Bean, 1896 (Hilgendorfia), see Paraliparis membranaceus
- membranaceus (Poll, 1971) (Synodontis)
- membranaceus (Balistes)
- ?membranaceus Gìnther, 1887 (Paraliparis)
- membranaceus Geoffroy St. Hilaire, 1808-09 (Pimelodus), see Synodontis membranaceus
- membranaceus Poll, 1971 (Hemisynodontis), see Synodontis membranaceus
- Membras Bonaparte, 1836 (Menidiinae)
- membras Berg, 1948 (Clupea harengus), see Clupea harengus
- membras Linnaeus, 1761 (Clupea harengus), see Clupea harengus
- membras Pallas, 1814 (Clupea), see Clupea harengus
- membras Wulff, 1765 (Clupea), see Clupea harengus
- memorabilis Soldatov & Pavlenko, 1916 (Kasatkia)
- memorabilis Meyer-Rochow, 1970 (Cataetyx), see Cataetyx laticeps
- mena Natterer, 1858 (Sorubim), see Platystomatichthys sturio
- ?menada Tanaka, 1916 (Liza)
- menadoensis Pouyaud, Wirjoatmodjo, Rachmatika, Tjakrawidjaja, Hadiaty & Hadie, 1999 (Latimeria)
- menamensis Banarescu & Nalbant, 1995 (Noemacheilus), see Schistura menanensis
- menanensis (Smith, 1945) (Schistura)
- menanensis Smith, 1945 (Nemacheilus), see Schistura menanensis
- menanensis Smith, 1945 (Noemacheilus), see Schistura menanensis
- mendax Facciol , 1893 (Nettastoma), see Nettastoma melanurum
- mendelssohni Winterbottom, 1995 (Trimma)
- mendelssohni Goren, 1978 (Quisquilius), see Trimma mendelssohni
- mendezi Ræmer, 1994 (Apistogramma)
- ?mendocinensis Gibbons, 1876 (Salmo)
- mendola Lacep¨de, 1802 (Sparus), see Spicara maena
- mendoncae Smith, 1953 (Chaetodon), see Chaetodon dolosus
- Mendosoma Guichenot, 1848 (Latridae)
- ?mendotae Koelz, 1931 ( Leucichthysartedi)
- ?mendovella Rafinesque, 1810 (Labrus)
- mendozai Hensley, 1985 (Eptatretus)
- ?mendozensis Arratia, Chang, Menu-Marque & Rojas, 1978 (Trichomycterus)
- Mene Lacep¨de, 1803 (Menidae)
- meneliki Pellegrin, 1905 (Barbus), see Barbus bynni
- Menephorus Poey, 1871 (Bodianinae), see Bodianus
- menesemops Lachner, 1953 (Apogon), see Apogon taeniopterus
- menesemus Jenkins, 1903 (Apogon)
- menezesi McCosker & Bæhlke, 1984 (Ophichthus)
- menezesi Miquelarena & Protogino, 1996 (Oligosarcus)
- menezesi Ploeg, 1991 (Crenicichla)
- menezesi Anderson & Heemstra, 1980 (Anthias)
- menezesi Nijssen & Isbrìcker, 1976 (Aspidoras)
- menezesi Isbrìcker & Nijssen, 1984 (Pyxiloricaria)
- mengdingensis Zhu & Guo, 1989 (Neonoemacheilus)
- menglaensis He & Chen, 1994 (Danio)
- menhaden Mitchill, 1814 (Clupea), see Brevoortia tyrannus
- Menidae (Perciformes)
- Menidia Bonaparte, 1836 (Menidiinae)
- menidia Bonaparte, 1836 (Menidia)
- menidia Linnaeus, 1766 (Atherina), see Menidia menidia
- Menidiella Schultz, 1948 (Menidiinae), see Menidia
- Menidiinae (Atherinidae)
- meniscaprorus Vari, 1992 (Cyphocharax)
- meniscus Springer & Gomon, 1975 (Omobranchus)
- meniscus Valenciennes, 1839 (Julis), see Thalassoma lunare
- menisorrah Dor, 1984 (Carcharhinus), see Carcharhinus falciformis
- menisorrah Mìller & Henle (ex Valenciennes), 1839 (Carcharias), see Carcharhinus falciformis
- menisorrah Mìller & Henle (ex Valenciennes), 1839 (Prionodon), see Carcharhinus falciformis
- menoda Fowler (Mystus)
- menoda Hamilton, 1822 (Pimelodus), see Mystus menoda
- menona Jordan & Copeland, 1877 ( Fundulusdiaphanus)
- menoni Shaji & Easa, 1995 (Homaloptera)
- menoni Barman, 1986 (Danio), see Chela laubuca
- menoni Pillai & Yazdani, 1976 (Lepidocephalichthys), see Lepidocephalus annandalei
- menoni Rema Devi & Indra, 1984 (Garra), see Garra mullya
- menoni Sen, 1976 (Barilius), see Barilius tileo
- menoni Talwar & Joglekar, 1970 (Wak), see Johnius dussumieri
- menos Smith, 1959 (Hirculops cornifer), see Hirculops cornifer
- menschikowi Kirillov, 1962 (Rutilus rutilus lacustris nat. ), see Rutilus rutilus
- mentale Stauffer & McKaye, 1988 (Alticorpus)
- mentalis (Belone)
- mentalis Evermann & Seale, 1907 (Apogonichthys)
- mentalis Dor, 1984 (Ulua)
- mentalis Penrith, 1969 (Pavoclinus)
- ?mentalis De Vis, 1883 (Girella)
- ?mentalis Gìnther, 1862 (Solea)
- mentalis Boulenger, 1901 (Eutropius), see Schilbe mandibularis
- mentalis Chabanaud, 1928 (Hypoclinemus), see Solea mentalis
- mentalis Cuvier (ex Ehrenberg), 1833 (Caranx), see Ulua mentalis
- mentalis Gilchrist & Thompson, 1908 (Cristiceps), see Pavoclinus mentalis
- mentalis Gilchrist & Thompson, 1913 (Barbus), see Barbus aeneus
- mentalis Gill, 1877 (Platypoecilus), see Poecilia sphenops
- mentalis Smith, 1946 (Labroclinus), see Pavoclinus mentalis
- mentalis Valenciennes (ex Ehrenberg), 1840 (Scarus), see Scarus sordidus
- mentatus Regan, 1925 (Haplochromis)
- mentella Andriashev, 1967 (Pogonophryne)
- mentella Robins & Ray, 1986 (Sebastes)
- mentella Travin, 1951 (Sebastichthys), see Sebastes mentella
- Menticirrhus Gill, 1861 (Sciaenidae)
- Mentiperca Gill, 1862 (Serraninae), see Serranus
- mento Garman, 1899 (Chlorophthalmus)
- mento Bleeker, 1866 (Parexocoetus)
- mento Kotlyar, 1986 (Hoplostethus)
- mento Fowler (Catoprion)
- mento Regan, 1917 (Cynothrissa)
- mento Goren, 1974 (Aphanius)
- mento Dawson, 1984 (Microphis)
- mento Gosse, 1984 (Marcusenius)
- mento Trewavas, 1935 (Genyochromis)
- mento Regan, 1922 (Haplochromis)
- mento Gilbert, 1892 (Paraliparis)
- mento Regan, 1904 (Silurus)
- mento Berry & Baldwin, 1966 (Xanthichthys)
- mento Cope, 1877 (Mustelus)
- mento Agassiz [A.], 1861 (Bramopsis), see Hyperprosopon argenteum
- mento Agassiz, 1839 (Aspius), see Chalcalburnus chalcoides
- mento Banarescu, 1964 (Chalcalburnus chalcoides), see Chalcalburnus chalcoides
- mento Bleeker, 1856 (Syngnathus), see Microphis mento
- mento Boulenger, 1890 (Mormyrus), see Marcusenius mento
- mento Boulenger, 1902 (Barbus), see Barbus intermedius
- mento Cuvier, 1819 (Serrasalmus), see Catoprion mento
- mento Garman, 1899 (Trachichthys), see Hoplostethus mento
- mento Heckel, 1836 (Aspius), see Chalcalburnus chalcoides
- mento Heckel, 1843 (Lebias), see Aphanius mento
- mento Jordan & Gilbert, 1882 (Balistes), see Xanthichthys mento
- mento Kottelat, 1997 (Chalcalburnus chalcoides), see Chalcalburnus chalcoides
- mento Perty, 1832 (Aspius), see Chalcalburnus chalcoides
- mento Vaillant & Pellegrin, 1902 (Heros), see Parapetenia istlana
- mento Valenciennes (ex Agassiz), 1844 (Leuciscus), see Chalcalburnus chalcoides
- mento Valenciennes, 1847 (Chanos), see Chanos chanos
- mento Valenciennes, 1847 (Exocoetus), see Parexocoetus mento
- Mentodus Parr, 1951 (Platytroctidae)
- mentoides Aksiray, 1948 (Aphanius sophiae), see Aphanius mento
- mentoides Berg, 1949 (Chalcalburnus chalcoides), see Chalcalburnus chalcoides
- mentoides Kessler, 1859 (Alburnus), see Chalcalburnus chalcoides
- mentoides Tseeb, 1930 (Alburnus chalcoides), see Chalcalburnus chalcoides
- mentum Lacep¨de, 1801 (Trichopodus), see Osphronemus goramy
- mentzelii Valenciennes, 1828 (Serranus), see Epinephelus itajara
- mentzelii Valenciennes, 1837 (Chironectes), see Antennarius striatus
- menzalensis Mitchell, 1895 (Chromis), see Tilapia zillii
- Mephisto Tyler, 1966 (Triacanthodidae)
- merabensis Regan, 1913 (Liocassis), see Leiocassis poecilopterus
- meraculus Dawson, 1984 (Mitotichthys)
- meraculus Whitley, 1948 (Histiogamphelus), see Mitotichthys meraculus
- merah Kottelat & Vidthayanon, 1993 (Boraras)
- merah Kottelat, 1991 (Rasbora), see Boraras merah
- meraukensis (Porochilus)
- meraukensis Allen, 1991 (Marilyna)
- meraukensis Burgess, 1989 (Tandanus), see Porochilus meraukensis
- meraukensis Weber, 1913 (Copidoglanis), see Porochilus meraukensis
- meraukensis de Beaufort, 1955 (Sphoeroides), see Marilyna meraukensis
- ?mercatoris Delsman, 1941 (Stellifer)
- ?mercatoris Delsman, 1941 (Lagodon)
- mercatoris Delsman, 1941 (Scorpaena), see Scorpaena inermis
- mercatoris Poll, 1949 (Arius), see Arius heudelotii
- mercedarius Weyenbergh, 1877 (Synbranchus), see Synbranchus marmoratus
- merceri Patten & Ivantsoff, 1983 (Dentatherina)
- meredithi Kuiter, 1989 (Chaetodontoplus)
- merenda Rosenblatt & McCosker, 1970 (Ethadophis)
- ?merensis Whitley, 1935 ( Kraemeriasamoensis)
- merga Kottelat, 1990 (Barbatula)
- merga Banarescu & Nalbant, 1995 (Orthrias), see Barbatula merga
- merga Krynicki, 1840 (Nemacheilus), see Barbatula merga
- merianiensis Chaudhuri, 1913 (Macrones), see Batasio tengana
- meridae Galvis, Mojica & Camargo, 1997 (Bryconamericus)
- meridae Regan, 1903 (Trichomycterus)
- meridae (Pygidium), see Trichomycterus meridae
- meridae Eigenmann, 1911 (Knodus), see Bryconamericus meridae
- meridiana Williams, 1975 (Ammocrypta)
- meridiana Greenfield & Woods, 1980 (Chromis)
- meridianum Page & Burr, 1991 (Etheostoma), see Ammocrypta meridiana
- meridianus Jubb, 1967 (Serranochromis)
- meridionale Kottelat, 1998 (Onychostoma)
- meridionale Kottelat, 1976 (Aphyosemion nigerianum), see Fundulopanchax gardneri
- meridionale Vladykov, Kott & Pharand-Coad, 1975 (Lethenteron), see Lampetra aepyptera
- meridionalis Ringuelet, Miquelarena & Menni, 1978 (Hyphessobrycon)
- meridionalis Espinosa P©rez et al., 1993 (Ictiobus)
- meridionalis Kottelat, 1997 (Cobitis)
- meridionalis Kottelat, 1988 (Balitora)
- meridionalis (Nemacheilus)
- meridionalis Risso, 1827 (Barbus)
- meridionalis Mo, 1989 (Schizothorax)
- meridionalis Fricke, 1982 (Callionymus)
- meridionalis Reis & Malabarba, 1988 (Gymnogeophagus)
- meridionalis Gosse, 1984 ( Polypterussenegalus)
- meridionalis Kido, 1985 (Paraliparis)
- meridionalis Gìnther, 1894 (Bagrus)
- meridionalis Kobayakawa, 1989 (Silurus)
- meridionalis Stehmann, 1987 (Bathyraja)
- meridionalis Aksiray, 1948 (Aphanius chantrei), see Aphanius anatoliae
- meridionalis Blanchard, 1866 (Squalius), see Leuciscus cephalus
- meridionalis Carvalho, 1956 (Neopercis atlanticus), see Pinguipes brasilianus
- meridionalis Chen & Cao, 1977 (Gobiobotia longibarba), see Gobiobotia longibarba
- meridionalis Chen & Li, 1989 (Gobiobotia longibarba), see Gobiobotia longibarba
- meridionalis Girard, 1850 (Cottus), see Cottus cognatus
- meridionalis Gìnther, 1864 (Amiurus), see Ictalurus furcatus
- meridionalis Gìnther, 1868 (Sclerognathus), see Ictiobus meridionalis
- meridionalis Ihering, 1911 (Corydoras), see Corydoras ehrhardti
- meridionalis Karaman, 1924 (Rhodeus amarus var. ), see Rhodeus amarus
- meridionalis Risso, 1827 (Aphia), see Aphia minuta
- meridionalis Schmidt, 1950 (Liparis latifrons), see Liparis ochotensis
- meridionalis Zhu, 1982 (Nemachilus), see Nemacheilus meridionalis
- meridionalis de Lema & de Oliveira, 1977 (Symphurus), see Symphurus jenynsi
- Merinthe Snyder, 1904 (Scorpaeninae), see Pontinus
- Merinthichthys Howell Rivero, 1934 (Moringuidae), see Moringua
- meristocystis Parin, 1961 (Oxyporhamphus), see Oxyporhamphus convexus
- merkii Gìnther, 1866 (Coregonus), see Coregonus sardinella
- Merlangius Geoffroy, 1767 (Gadidae)
- merlangum Ayres, 1859 (Anoplopoma), see Anoplopoma merlangus
- merlangus Geoffroy, 1767 (Merlangius)
- merlangus Ayres, 1859 (Anoplopoma)
- Merlangus Oken (ex Cuvier), 1817 (Gadidae), see Merlangius
- Merlangus Rafinesque, 1810 (Merlucciinae), see Merluccius
- merlangus Linnaeus, 1758 (Gadus), see Merlangius merlangus
- merlangus Oken (ex Cuvier), 1817 (Merlangus), see Merlangius merlangus
- merleni McCosker & Long, 1997 (Epigonus)
- Merlucciidae (Gadiformes)
- Merlucciinae (Merlucciidae)
- Merluccius Rafinesque, 1810 (Merlucciinae)
- merluccius Svetovidov, 1973 (Merluccius)
- merluccius Linnaeus, 1758 (Gadus), see Merluccius merluccius
- merluccius Rafinesque, 1810 (Merlangus), see Merluccius merluccius
- merluccius Rafinesque, 1810 (Onus), see Merluccius merluccius
- Merlucius Gronow in Gray, 1854 (Merlucciinae), see Merluccius
- ?merlus Lacep¨de, 1803 (Gadus)
- Merlus Guichenot, 1848 (Merlucciinae), see Merluccius
- mermere Bogutskaya, 1996 ( Ladigesocyprisghigii)
- mermere Ahnelt, 1995 (Knipowitschia)
- mermere Ladiges, 1960 (Leucaspius irideus), see Ladigesocypris ghigii mermere
- Merodontotus Britski, 1981 (Sorubiminae)
- merodontus Stein, Mel©ndez C. & Kong U., 1991 (Paraliparis)
- Merogymnoides (Opistognathidae)
- Merogymnus Ogilby, 1908 (Opistognathidae), see Opistognathus
- Merolepis Rafinesque, 1810 (Centracanthidae), see Spicara
- meronai Bigorne & Paugy, 1990 (Marcusenius)
- Merou Bonaparte (ex Cuvier), 1831 (Epinephelinae), see Epinephelus
- merou Lacep¨de, 1802 (Holocentrus), see Epinephelus guaza
- merra Bloch, 1793 (Epinephelus)
- merretti Sulak, Crabtree & Hureau, 1984 (Polyacanthonotus)
- ?merretti Andriashev & Chernova, 1988 (Careproctus)
- merriami Gilbert, 1893 (Empetrichthys)
- merrimani Barbour, 1942 (Parrichthys), see Ceratias
- mertensi Klausewitz, 1974 (Vanderhorstia)
- mertensi Aldebert et al., 1990 (Monolene)
- mertensi Poll, 1959 (Laeops), see Monolene mertensi
- mertensii Cuvier, 1831 (Chaetodon)
- ?mertensii Valenciennes, 1837 (Gobius)
- ?mertensii Valenciennes, 1840 (Scarus)
- mertensii (Thymalus arcticus), see Thymallus arcticus
- mertensii Burgess, 1978 (Rhombochaetodon), see Chaetodon mertensii
- mertensii Cuvier, 1833 (Caranx), see Pseudocaranx leptolepis
- mertensii Guichenot, 1871 (Leuciscus), see Ctenopharyngodon idellus
- mertensii Valenciennes, 1832 (Cottus), see Myoxocephalus jaok
- mertensii Valenciennes, 1835 (Amphacanthus), see Siganus argenteus
- mertensii Valenciennes, 1839 (Julis), see Thalassoma lunare
- mertensii Valenciennes, 1839 (Tautoga), see Hemigymnus fasciatus
- mertensii Valenciennes, 1840 (Cheilinus), see Cheilinus undulatus
- mertensii Valenciennes, 1848 (Thymalus), see Thymallus arcticus
- mertoni Kottelat & Whitten, 1996 (Mugilogobius)
- ?mertoni Weber, 1911 (Eleotris)
- ?mertoni Weber, 1911 (Oxyeleotris), see Eleotris mertoni
- mertoni Weber, 1911 (Gobius), see Mugilogobius mertoni
- meruensis Lænnberg, 1907 (Barbus macropristis), see Barbus amphigramma
- merula Linnaeus, 1758 (Labrus)
- Merulinus Jordan & Evermann, 1898 (Triglinae), see Prionotus
- merus Lin, 1933 (Procypris)
- merus Li, 1984 (Glyptothorax)
- Merus Poey (ex Cuvier), 1871 (Epinephelinae), see Epinephelus
- merus Poey, 1868 (Centropristis), see Epinephelus nigritus
- merzbacheri Yang & Hwang, 1964 (Leuciscus)
- merzbacheri Zugmayer, 1912 (Aspiopsis), see Leuciscus merzbacheri
- mesaeus Cope, 1864 (Poecilichthys), see Etheostoma nigrum
- ?mesedai Klausewitz, 1985 (Neocentropogon)
- ?mesembrinum Jordan & Evermann, 1902 (Acheilognathus)
- mesembrinus Fricke & Brunken, 1984 (Antipodocottus)
- mesembrinus Ringuelet, 1982 ( Diplomystesviedmensis)
- mesembrinus Fricke & Brunken, 1983 (Stlengis), see Antipodocottus mesembrinus
- meshimaensis Shiogaki & Dotsu, 1983 (Pherallodichthys)
- Mesites Jenyns, 1842 (Galaxiinae), see Galaxias
- mesmaekersi Poll, 1959 (Hemistichodus)
- mesmaekersi Gosse, 1984 ( Protopterusaethiopicus)
- Mesoaphyosemion Radda, 1977 (Aplocheilinae), see Aphyosemion
- Mesobius Hubbs & Iwamoto, 1977 (Macrourinae)
- Mesobola (Cyprinidae)
- Mesoborus Pellegrin, 1900 (Ichthyboriinae)
- Mesocottus Gratzianov, 1907 (Cottidae)
- mesogaster Bloch, 1795 (Exocoetus), see Parexocoetus hillianus
- mesogaster Weinland, 1858 (Halocypselus), see Parexocoetus hillianus
- Mesogobio Banarescu & Nalbant, 1973 (Cyprinidae)
- Mesogobius Bleeker, 1874 (Gobiinae)
- Mesogonistius Gill, 1864 (Centrarchinae), see Enneacanthus
- mesogramma Huber, 1980 (Epiplatys)
- ?mesogramma Shcherbachev, 1980 (Dicrolene)
- mesoleucos Forssk¥l, 1775 (Chaetodon)
- mesoleucus Allen, 1980 (Chaetodontoplus)
- mesoleucus Bloch, 1787 (Chaetodon), see Chaetodontoplus mesoleucus
- mesomelas Gmelin, 1789 (Chaetodon), see Chaetodontoplus mesoleucus
- Mesomisgurnus Fang, 1935 (Cobitinae), see Misgurnus
- Mesonauta Gìnther, 1862 (Cichlidae)
- Mesonoemacheilus (Nemacheilinae)
- mesoporum Anderson, 1989 (Pachycara)
- mesopotamicus Berg, 1932 (Barilius)
- mesoprion Russell, 1990 (Nemipterus)
- ?mesoprion Bleeker, 1854 (Cepola)
- Mesoprion Cuvier in Cuvier & Valenciennes, 1828 (Lutjaninae), see Lutjanus
- mesoprion Bleeker, 1853 (Dentex), see Nemipterus mesoprion
- Mesopristes Bleeker, 1873 (Teraponidae)
- mesops Gìnther, 1868 (Labeo)
- mesops Siebert & Crimmen, 1997 (Sundasalanx)
- ?mesops Valenciennes, 1840 (Bagrus)
- Mesops Gìnther, 1862 (Cichlidae), see Biotodoma
- Mesopus Gill, 1862 (Hypomesinae), see Hypomesus
- Mesoscorpia Eschmeyer, 1969 (Scorpaeninae), see Trachyscorpia
- ?mesostenus Gibbs, Clarke & Gomon, 1983 (Eustomias)
- mesostigma Randall & Randall, 1981 (Pseudojuloides)
- mesotes Mcdowall & Fulton, 1978 (Paragalaxias)
- mesothorax Yamakawa, 1984 (Bodianus)
- mesothorax (Cossyphus), see Bodianus mesothorax
- mesothorax Bloch & Schneider, 1801 (Labrus), see Bodianus mesothorax
- mesotrema Jordan, 1877 (Asternotremia), see Aphredoderus sayanus
- Mesozygaena Compagno, 1988 (Carcharhinidae), see Sphyrna
- ?messanensis Cocco, 1829 (Gymnocephalus)
- messanensis Kælliker, 1853 (Hyoprorus), see Nettastoma melanurum
- messieri Gìnther, 1887 (Cataetyx)
- messieri Gìnther, 1878 (Sirembo), see Cataetyx messieri
- messinensis Cocco, 1838 (Gymnocephalus), see Centrolophus niger
- messinicus Stephanidis, 1971 (Gasterosteus aculeatus var. ), see Gasterosteus aculeatus
- mestomorgmatos Vari, Castro & Raredon, 1995 (Caenotropus)
- mestomorgmatus Vari & Ortega, 1997 (Caenotropus), see Caenotropus mestomorgmatos
- mestomyllon Vari, 1992 (Cyphocharax)
- ?meta Cuvier, 1829 (Acanthurus)
- ?meta Miranda-Ribeiro, 1903 ( Rajaagassizi)
- meta Randall, 1986 (Acanthurus), see Acanthurus mata
- metachroma Cohen & Robins, 1986 (Sirembo)
- metae Eigenmann, 1922 (Charax)
- metae Eigenmann & Henn, 1914 (Hyphessobrycon)
- metae Ortega & Vari, 1986 (Copella)
- metae Myers, 1930 (Hemibrycon)
- metae Eigenmann, 1922 (Moenkhausia)
- metae Eigenmann, 1922 (Aequidens)
- metae Eigenmann, 1914 (Corydoras)
- metae Eigenmann, 1917 (Pimelodella)
- metae (Ituglanis)
- metae Burgess, 1989 (Trichomycterus), see Ituglanis metae
- metae Eigenmann, 1914 (Copeina), see Copella metae
- metae Eigenmann, 1917 (Pygidium), see Ituglanis metae
- metae Eigenmann, 1922 (Curimatus), see Steindachnerina guentheri
- metae Eigenmann, Henn & Wilson, 1914 (Astyanax), see Astyanax maximus
- metae Fern¡ndez-Y©pez, 1947 (Charaxodon), see Charax metae
- metae Ortega & Vari, 1986 (Curimata), see Steindachnerina guentheri
- metae-gadi Hubbs & Cannon, 1935 (Hololepis fusiformis), see Etheostoma fusiforme
- metaegadi Hubbs & Cannon, 1935 (Hololepis fusiformis), see Etheostoma fusiforme
- metager Day (ex Tickell), 1888 (Platyglossus), see Halichoeres marginatus
- metager Tickell, 1888 (Julis), see Halichoeres marginatus
- Metagobius Whitley, 1930 (Gobiidae), see Callogobius
- Metahomaloptera Chang, 1944 (Balitorinae)
- metallica Girard, 1856 (Agosia), see Agosia chrysogaster
- metallica Poey, 1860 (Echeneis), see Echeneis naucrates
- metallicus Fowler, 1938 (Hoplostethus)
- metallicus Ahl, 1923 (Esomus)
- metallicus Poey, 1854 (Girardinus)
- metallicus Allen, 1991 (Neopomacentrus)
- metallicus Fowler, 1938 (Aulohoplostethus), see Hoplostethus metallicus
- metallicus Jordan & Meek, 1884 (Notropis), see Notropis hypselopterus
- metallicus Jordan & Seale, 1906 (Abudefduf), see Neopomacentrus metallicus
- metallicus Morrow, 1973 (Bathophilus), see Bathophilus vaillanti
- metallicus Welsh, 1923 (Trichostomias), see Bathophilus vaillanti
- Metallites Schulze, 1890 (Leuciscinae), see Rutilus
- Metaloricaria Isbrìcker, 1975 (Loricariinae)
- ?metamelas Gomon & Gibbs, 1985 (Eustomias)
- Metasalanx Wakiya & Takahasi, 1937 (Albulinae), see Salanx
- Metavelifer Walters, 1960 (Veliferidae)
- Metelectrona Wisner, 1963 (Myctophidae)
- meteori Nielsen, 1995 (Neobythites)
- meteori Randall, 1995 (Palutrus)
- meteori Kotthaus, 1967 (Polyipnus)
- meteori Klausewitz & Zander, 1967 (Acentrogobius), see Palutrus meteori
- meteori Kotthaus, 1970 (Flagelloserranus), see Liopropoma susumi
- meteori Prince Akihito, 1984 (Bathygobius), see Palutrus meteori
- Meteoria Nielsen, 1969 (Aphyonidae)
- methueni Regan, 1920 (Gerres)
- metoecus Robins, 1991 (Ophidion)
- ?metoecus Dawson, 1975 (Dactyloscopus)
- metohiensis Kottelat, 1997 (Phoxinellus)
- metohiensis Steindachner, 1901 (Paraphoxinus), see Phoxinellus metohiensis
- metopias Gilbert & Burke, 1912 (Triglops)
- Metopias Lowe, 1843 (Melamphaidae), see Melamphaes
- metopias Akazaki, 1984 (Nemipterus), see Nemipterus zysron
- metopias Bleeker, 1857 (Dentex), see Nemipterus zysron
- metopoclampum Cocco, 1829 (Myctophum), see Diaphus metopoclampus
- metopoclampus Krefft & Bekker, 1973 (Diaphus)
- Metopomycter Gilbert, 1905 (Nettastomatidae), see Nettastoma
- Metoponops Gill, 1864 (Paralichthyidae), see Citharichthys
- metoposophron Jenkins, 1903 (Callicanthus), see Naso hexacanthus
- Metriaclima Stauffer, Bowers, Kellogg & McKaye, 1997 (Cichlidae), see Maylandia
- metriostoma Cohen, 1981 (Monomitopus)
- metriostoma Vaillant, 1888 (Sirembo), see Monomitopus metriostoma
- Metrogaster Agassiz, 1861 (Embiotocidae), see Cymatogaster
- Metynnis Cope, 1878 (Myleinae)
- metzelaari Hubbs, 1923 (Evermannichthys)
- metzelaari Chabanaud, 1926 (Mugil), see Mugil curema
- metzelaari Jordan & Evermann, 1927 (Kyphosus), see Kyphosus sectator
- Metzelaaria Jordan, 1923 (Scorpaeninae), see Scorpaenodes
- metzi Hubbs, 1927 (Gibbonsia)
- Metzia Jordan & Thompson, 1914 (Leuciscinae), see Rasborinus
- ?meulenii Walbaum, 1792 (Balistes)
- ?meulenii Walbaum, 1792 (Diodon)
- meunier Heckel, 1852 (Squalius), see Leuciscus cephalus
- meunieri G©ry, Planquette & Le Bail, 1996 (Astyanax)
- Meuschenia Whitley, 1929 (Monacanthidae)
- Meuschenula Whitley, 1931 (Eleotridae), see Ophiocara
- ?mexicana Cuvier, 1831 (Pempheris)
- mexicana Filippi, 1940 (Poecilia), see Poecilia sphenops
- mexicana Gilbert, 1978 (Aztecula), see Notropis sallaei
- mexicana Meek, 1902 (Aztecula), see Notropis sallaei
- mexicana Steindachner, 1863 (Poecilia), see Poecilia sphenops
- ?mexicanum Fowler, 1944 ( Ostracionsebae)
- mexicanum Gilbert, 1890 (Myctophum), see Triphoturus mexicanus
- mexicanum Hildebrand, 1948 (Diplectrum), see Diplectrum macropoma
- mexicanus Alvarez, 1959 (Hyporhamphus)
- mexicanus Iwamoto, 1990 (Coryphaenoides)
- mexicanus Paxton, 1979 (Triphoturus)
- mexicanus Allen & Robertson, 1994 (Paraclinus)
- mexicanus Bocourt, 1868 (Centropomus)
- mexicanus Lee et al., 1980 (Astyanax)
- mexicanus Deckert & Greenfield, 1987 (Diapterus)
- mexicanus Briggs & Miller, 1960 (Gobiesox)
- mexicanus Hoese & Larson, 1985 (Barbulifer)
- mexicanus Allen & Robertson, 1991 (Opistognathus)
- mexicanus Espinosa P©rez et al., 1993 (Ictalurus)
- mexicanus Taylor & Castro-Aguirre, 1972 (Heterodontus)
- ?mexicanus Giltay, 1928 (Scaphirhynchus)
- ?mexicanus Ginsburg, 1953 ( Dormitatorlatifrons)
- mexicanus Alvarez & Carranza, 1951 (Tlaloc), see Profundulus labialis
- mexicanus De Filippi, 1853 (Tetragonopterus), see Astyanax mexicanus
- mexicanus Gilbert, 1904 (Auchenopterus), see Paraclinus mexicanus
- mexicanus Gìnther, 1861 (Gobius), see Awaous banana
- mexicanus Gìnther, 1868 (Chatoessus), see Dorosoma petenense
- mexicanus Meek, 1904 (Amiurus), see Ictalurus mexicanus
- mexicanus O'Shaughnessy, 1875 (Amblyopus), see Gobioides broussonnetii
- mexicanus Parr, 1946 (Cariburus), see Coryphaenoides mexicanus
- mexicanus Springer, 1959 (Malacoctenus margaritae), see Malacoctenus margaritae
- mexicanus Steindachner, 1863 (Gerres), see Diapterus mexicanus
- mexicanus Steindachner, 1876 (Mugil), see Mugil cephalus
- meyburgi Meinken, 1975 (Microschemobrycon)
- meyburgi Meinken, 1971 (Aplocheilichthys)
- meyeni Mìller & Henle, 1841 (Taeniura)
- meyeni Garman, 1913 (Taeniurops), see Taeniura meyeni
- ?meyenii Peters, 1866 (Hapalogenys)
- ?meyenii (Mìller & Troschel, 1849) (Bagrus)
- meyenii Mìller & Troschel, 1849 (Ariodes), see Bagrus meyenii
- meyeri Ortega & Vari, 1986 (Curimatella)
- meyeri Schartl & Schræder, 1988 (Xiphophorus)
- meyeri Bloch & Schneider, 1801 (Chaetodon)
- meyeri Starnes, 1988 (Pristigenys)
- ?meyeri Gìnther, 1872 (Mugil)
- meyeri Bean, 1906 (Iridio), see Halichoeres maculipinna
- meyeri Fern¡ndez-Y©pez, 1948 (Apolinarella), see Curimatella meyeri
- meyeri Fowler, 1934 (Diaphus), see Diaphus malayanus
- meyeri Gìnther, 1872 (Priacanthus), see Pristigenys meyeri
- meyeri Kaup, 1860 (Citharoedus), see Chaetodon meyeri
- meyeri Steindachner, 1882 (Curimatus), see Curimatella meyeri
- meyerwaardeni Krefft, 1973 (Woodsia)
- meygun (Sciaena)
- mey-gun Basilewsky, 1855 (Sciaena), see Sciaena meygun
- mezina Jordan & Starks, 1907 (Girella)
- mezquital Meek, 1904 (Chirostoma)
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Markku Savela