All (in this database) Fish list (Scientific names): Part K
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
- kaa Lin, 1931 (Varicogobio), see Ptychidio jordani
- kaakan (Pomadasys)
- kaakan Cuvier, 1830 (Pristipoma), see Pomadasys kaakan
- kabae Daget, 1962 (Aplocheilichthys)
- kaber Montrouzier, 1857 (Acanthurus), see Acanthurus nigricans
- kabeyai Mochizuki & Ohe, 1990 (Trigonognathus)
- kabia Herre, 1935 (Melanotaenia), see Glossolepis multisquamatus
- kabilensis Rainboth, 1996 (Brachygobius), see Brachygobius kabiliensis
- kabilia Kottelat, Whitten, Kartikasari & Wirjoatmodjo, 1993 (Mugilogobius)
- kabilia Herre, 1940 (Vaimosa), see Mugilogobius kabilia
- kabiliensis Inger, 1958 (Brachygobius)
- kachekensis Banarescu & Nalbant, 1966 (Microphysogobio brevirostris), see Microphysogobio brevirostris
- kachekensis Oshima, 1926 (Pseudogobio), see Microphysogobio brevirostris
- kachki (Cyprinus)
- ?kadoon Bleeker, 1853 (Barbus)
- ?kadoon Heckel, 1843 (Cyprinus)
- kællikeri Kaup, 1856 (Leptocephalus), see Gnathophis mystax
- ?kafirnigani (Turdakov, 1948) ( Nemacheilusdorsalis)
- kafirnigani Turdakov, 1948 (Nemachilus dorsalis), see Nemacheilus dorsalis kafirnigani
- kafuensis Wildekamp & Rosenstock, 1989 (Nothobranchius)
- kafuensis Boulenger, 1908 (Paratilapia), see Serranochromis angusticeps
- kafuensis Boulenger, 1912 (Tilapia), see Oreochromis andersonii
- kaganowskii Berg, 1932 (Cottus), see Cottus cognatus
- kagoshimae Jordan & Snyder, 1902 (Argentina)
- kagoshimae Oshima, 1956 (Ebosia), see Ebosia bleekeri
- ?kagoshimana Dæderlein, 1884 (Scorpaena)
- kagoshimana Dæderlein, 1883 (Mesoprion), see Lutjanus fulvus
- kagoshimanus Arnold, 1956 (Carapus), see Encheliophis boraborensis
- kagoshimanus Dæderlein, 1883 (Apogon), see Apogon macropterus
- kagoshimanus Steindachner & Dæderlein, 1887 (Fierasfer), see Encheliophis boraborensis
- kagoshimensis Poss & Eschmeyer, 1978 (Paraploactis)
- kagoshimensis Ishikawa, 1904 (Tetraroge), see Paraploactis kagoshimensis
- kahajanensis Roberts, 1989 (Osteochilus)
- kahajanensis Bleeker, 1857 (Rohita), see Osteochilus kahajanensis
- kahajani (Puntius), see Puntius rhomboocellatus
- kahajani Hoedeman, 1956 (Barbus), see Puntius rhomboocellatus
- kaiana Mould, 1994 (Trygonoptera)
- kaiana Gìnther, 1880 (Solea), see Aseraggodes kaianus
- kaianus Shimizu, 1984 (Ostichthys)
- kaianus Cressey, 1981 (Synodus)
- kaianus Nakabo, 1982 (Bathycallionymus)
- kaianus Gìnther, 1880 (Uranoscopus)
- kaianus Ochiai, 1984 (Aseraggodes)
- kaianus Gìnther, 1880 (Callionymus), see Bathycallionymus kaianus
- kaianus Gìnther, 1880 (Myripristis), see Ostichthys kaianus
- kaianus Gìnther, 1880 (Saurus), see Synodus kaianus
- kaianus Gìnther, 1880 (Urolophus), see Trygonoptera kaiana
- kaibarae Ida, 1984 ( Pungitiussinensis)
- kaibarae Tanaka, 1915 (Pygosteus), see Pungitius sinensis kaibarae
- kaidakensis Kazancheev, 1936 (Caspialosa caspia), see Alosa caspia
- kaidakensis Svetovidov, 1973 (Alosa caspia), see Alosa caspia
- kaifenensis Burgess, 1989 (Pseudobagrus)
- ?kaifenensis Tchang, 1932 (Hemiculterella)
- kaifenensis Tchang, 1934 (Leiocassis), see Pseudobagrus kaifenensis
- kaikourae Whitley, 1934 (Centrophorus), see Deania calcea
- kailolae Ivantsoff, Crowley & Allen, 1987 (Craterocephalus)
- ?kailolae Hardy, 1985 (Javichthys)
- kailuae Jordan & Evermann, 1903 (Muraena), see Enchelycore pardalis
- kainarae Barbour, 1942 (Himantolophus), see Himantolophus sagamius
- kais Heckel, 1843 (Cyprinion)
- Kaiwarinus Suzuki, 1962 (Carangidae), see Carangoides
- kaiyomaru McMillan & Paulin, 1993 (Caelorinchus)
- kaiyomaru Arai & Iwamoto, 1979 (Coelorinchus), see Caelorinchus kaiyomaru
- kajan Popta, 1904 (Macrones), see Hemibagrus baramensis
- kajanensis (Kottelat, Whitten, Kartikasari & Wirjoatmodjo, 1993) (Lobocheilus)
- kajanensis Kottelat, Whitten, Kartikasari & Wirjoatmodjo, 1993 (Lobocheilos), see Lobocheilus kajanensis
- kajanensis Popta, 1904 (Tylognathus), see Lobocheilus kajanensis
- Kajikia Hirasaka & Nakamura, 1947 (Xiphiidae), see Tetrapturus
- kakaitsel Lacep¨de, 1802 (Glyphisodon), see Etroplus maculatus
- ?kakatoe Lacep¨de, 1802 (Scarus)
- kakhienensis Anderson, 1879 (Danio)
- kakhienensis Chu, 1935 (Danioides), see Danio kakhienensis
- kakrimensis Teugels, Skelton & Leveque, 1987 (Amphilius)
- ?kakus Valenciennes, 1842 (Barbus)
- kalambo Seegers, 1996 (Chiloglanis)
- kalawatseti Markle, Pearsons & Bills, 1991 (Oregonichthys)
- kalbarensis Kottelat, 1991 (Rasbora)
- kaleidos Kuiter & Randall, 1995 (Pseudojuloides)
- Kali Lloyd, 1909 (Chiasmodontidae)
- Kalimantania Banarescu, 1980 (Cyprinidae)
- kalisherae Greenfield & Johnson, 1981 (Labrisomus)
- kalisherae Jordan, 1904 (Ericteis), see Labrisomus kalisherae
- kalkaya (Holocentrus)
- kalla Cuvier, 1833 (Caranx), see Alepes djedaba
- kallavesensis Lænnberg, 1932 (Cottus quadricornis rac. ), see Triglopsis quadricornis
- ?kallion Robins, 1959 (Lepophidium)
- kalliurus (Crossocheilus)
- kalliurus Smith, 1945 (Epalzeorhynchos), see Crossocheilus kalliurus
- kallochroma Bleeker, 1853 (Halichoeres), see Halichoeres leucurus
- kallochroma Bleeker, 1853 (Julis), see Halichoeres leucurus
- kallolepis Gìnther, 1862 (Bleekeria)
- kallopisos Bleeker, 1853 (Halichoeres), see Halichoeres leucurus
- kallopisos Bleeker, 1853 (Julis), see Halichoeres leucurus
- kallopterum Bleeker, 1855 (Epalzeorhynchos)
- kallopterus Bleeker, 1856 (Apogon)
- kallopterus Banarescu, 1986 (Epalzeorhynchos), see Epalzeorhynchos kallopterum
- kallopterus Bleeker, 1853 (Periophthalmus), see Periophthalmus kalolo
- kallopterus Bleeker, 1856 (Lethrinus), see Lethrinus erythracanthus
- kallosoma Bleeker, 1858 (Petroskirtes), see Omobranchus elongatus
- kallosoma Bleeker, 1860 (Novacula), see Novaculichthys taeniourus
- kallosoma Bleeker, 1862 (Julis), see Stethojulis interrupta
- kallosoma Bleeker, 1862 (Stethojulis), see Stethojulis interrupta
- kallosoma Gill, 1863 (Dimalacocentrus), see Novaculichthys taeniourus
- kalochroma Brittan, 1972 (Rasbora)
- kalochroma Bleeker, 1851 (Leuciscus), see Rasbora kalochroma
- kalolo Lesson, 1831 (Periophthalmus)
- kalopterum Bleeker, 1855 (Epalzeorhynchos), see Epalzeorhynchos kallopterum
- kalopterus (Puntius), see Epalzeorhynchos kallopterum
- kalopterus Bleeker, 1851 (Barbus), see Epalzeorhynchos kallopterum
- kalosoma Bleeker, 1852 (Apogon)
- kalosoma Bleeker, 1852 (Halichoeres), see Stethojulis interrupta
- kalosoma Bleeker, 1852 (Julis), see Stethojulis interrupta
- kalosoma Gill, 1863 (Lepidamia), see Apogon kalosoma
- kalungwishiensis Greenwood & Kullander, 1994 (Schwetzochromis)
- kaluschka Steller, 1814 (Acipenser), see Huso dauricus
- Kalyptatherina Saeed & Ivantsoff, 1991 (Telmatherinidae)
- Kalyptodoras Higuchi, Britski & Garavello, 1990 (Doradidae)
- kamaiae David & Poll, 1937 (Barbus motebensis), see Barbus motebensis
- kamaka Allen & Renyaan, 1996 (Melanotaenia)
- kamar McCosker & Randall, 1977 (Uropterygius)
- kamara Bæhlke & Bæhlke, 1980 (Enchelycore)
- kamengensis (Pareuchiloglanis)
- kamengensis Jayaram, 1966 (Euchiloglanis), see Pareuchiloglanis kamengensis
- kamensis Lovetsky, 1834 (Acipenser), see Acipenser ruthenus
- kamensis Lukash, 1929 (Thymallus thymallus), see Thymallus thymallus
- kamensis Markun, 1936 (Lota lota), see Lota lota
- kameraticus Dybowski, 1869 (Petromyzon), see Lethenteron camtschaticum
- kamii Randall, 1980 (Plectranthias), see Plectranthias anthioides
- kamiranzovu Snoeks, Coenen & Thys van den Audenaerde, 1984 (Haplochromis)
- kamloops Jordan, 1892 (Oncorhynchus), see Oncorhynchus mykiss
- kammalensis Whitehead et al., 1988 (Thryssa)
- kammalensis Bleeker, 1849 (Engraulis), see Thryssa kammalensis
- kammalensoides (Wongratana, 1983) (Thryssa)
- kammalensoides Wongratana, 1983 (Scutengraulis), see Thryssa kammalensoides
- kamoae Oshima, 1957 (Crystallias), see Crystallichthys matsushimae
- kamoharai Matsubara, 1943 (Caelorinchus)
- kamoharai Okamura, 1970 (Nezumia)
- kamoharai Okamura, 1984 (Narcetes)
- kamoharai Tomiyama, 1956 (Meiacanthus)
- kamoharai Schultz, 1966 (Parapercis)
- kamoharai Compagno, 1984 (Pseudocarcharias)
- kamoharai Abe, 1966 (Centroscyllium)
- kamoharai Abe, 1958 (Balistes vidua), see Melichthys vidua
- kamoharai Abe, Kojima & Kosakai, 1963 (Psenes), see Psenes cyanophrys
- kamoharai Matsubara, 1936 (Carcharias), see Pseudocarcharias kamoharai
- kamoharai Matsubara, 1943 (Coelorhynchus), see Caelorinchus kamoharai
- kamoharai Nakabo, 1983 (Foetorepus), see Synchiropus phasis
- kamoharai Okamura, 1984 (Coelorinchus), see Caelorinchus kamoharai
- Kamoharaia Kuronuma, 1940 (Bothinae)
- kamolondoensis Poll, 1938 (Barbus)
- kampae Taylor, 1972 (Apristurus)
- kampeni (Lamnostoma)
- kampeni Whitehead, 1985 (Ilisha)
- kampeni Allen, 1991 (Achirophichthys), see Lamnostoma kampeni
- kampeni Weber & de Beaufort, 1913 (Pellona), see Ilisha kampeni
- kampeni Weber & de Beaufort, 1916 (Achirophichthys), see Lamnostoma kampeni
- kampeni Weber & de Beaufort, 1916 (Brachysomophis), see Lamnostoma kampeni
- kampeni Weber, 1913 (Hemiramphus), see Zenarchopterus kempeni
- kampeni Weber, 1913 (Ichthyocampus), see Phoxocampus tetrophthalmus
- kampeni Weber, 1913 (Zenarchopterus), see Zenarchopterus kempeni
- kampylotrachelos Bleeker, 1854 (Hippocampus), see Hippocampus trimaculatus
- ?kamul Bloch & Schneider, 1801 (Squalus)
- kanabos Kullander & Britz, 2002 (Badis)
- kanagashira Kamohara, 1936 (Lepidotrigla)
- kanagurta Kyushin et al., 1977 (Rastrelliger)
- kanagurta Bleeker, 1852 (Alausa), see Hilsa kelee
- kanagurta Cuvier, 1816 (Scomber), see Rastrelliger kanagurta
- kanakorum S©ret, 1990 (Aulohalaelurus)
- kanawha Jordan & Jenkins, 1889 (Notropis), see Notropis rubellus x notropis volucellus
- kanawha Jordan & Jenkins, 1889 (Notropis), see Notropis volucellus x notropis rubellus
- kanawhae Jenkins & Burkhead, 1994 (Etheostoma)
- kanawhae Raney, 1941 (Poecilichthys), see Etheostoma kanawhae
- ?kanazawai Grey, 1958 (Dicrolene)
- Kanazawaichthys Schultz, 1957 (Antennariidae), see Antennarius
- kandavensis Gìnther, 1877 (Mugil), see Valamugil engeli
- kandeensis Eccles & Trewavas, 1989 ( Aulonocaramaylandi)
- Kanduka Hora, 1925 (Tetraodontidae), see Arothron
- Kanekonia Tanaka, 1915 (Aploactinidae)
- kanekonis Amaoka, 1969 (Crossorhombus), see Crossorhombus azureus
- kanekonis Tanaka, 1914 (Aprion), see Aprion virescens
- kanekonis Tanaka, 1916 (Cynias), see Mustelus griseus
- kanekonis Tanaka, 1917 (Callionymus), see Repomucenus beniteguri
- kanekonis Tanaka, 1918 (Scaeops), see Crossorhombus azureus
- ?kanetomoi Matsubara, 1943 (Caelorinchus)
- ?kanetomoi Matsubara, 1943 (Coelorhynchus), see Caelorinchus kanetomoi
- kanganamanensis Herre, 1935 (Arius), see Arius solidus
- kangjupkhulensis (Schistura)
- kangjupkhulensis Hora, 1921 (Nemacheilus), see Schistura kangjupkhulensis
- kangjupkhulensis Hora, 1921 (Nemachilus), see Schistura kangjupkhulensis
- kangjupkhulensis Menon, 1987 (Nemacheilus), see Schistura kangjupkhulensis
- kangjupkhulensis Menon, 1987 (Noemacheilus), see Schistura kangjupkhulensis
- kangrae Menon, 1952 (Nemacheilus), see Nemacheilus montanus
- kangrae Menon, 1952 (Nemachilus), see Nemacheilus montanus
- kangrae Prashad, 1919 (Discognathus), see Garra gotyla
- kaninensis Petrov, 1927 (Osmerus eperlanus dentex nat. ), see Osmerus eperlanus
- kanipunte (Cyprinus)
- kankreni Dum©ril (ex Valenciennes), 1870 (Acipenser), see Acipenser ruthenus
- kankreni Dum©ril (ex Valenciennes), 1870 (Sterletus), see Acipenser ruthenus
- kanmuensis Nakabo, Yamamoto & Chen, 1983 (Foetorepus), see Synchiropus sechellensis
- kannume Forssk¥l, 1775 (Mormyrus)
- kanpurensis Gupta, Jayaram & Hajela, 1981 (Pinniwallago)
- kansae Lee et al., 1980 ( Funduluszebrinus)
- kansae Garman, 1895 (Plancterus), see Fundulus zebrinus kansae
- Kantapus Smith, 1947 (Scorpaeninae), see Scorpaena
- kantuckeense Ceas & Page, 1997 (Etheostoma)
- kapala Castle, 1990 (Poeciloconger)
- kapalae Nafpaktitis, Robertson & Paxton, 1995 (Diaphus)
- kapangae Gosse, 1984 ( Pollimyrusstappersii)
- kapangae David, 1935 (Marcusenius stappersi), see Pollimyrus stappersii kapangae
- kapas Bleeker, 1851 (Gerres)
- kapirat Lacep¨de, 1800 (Notopterus), see Notopterus notopterus
- kappa Winterbottom & Burridge, 1993 (Priolepis)
- kappa Bleeker, 1852 (Tetraodon), see Chelonodon patoca
- Kapparaia Leigh-Sharpe, 1926 (Rajidae), see Raja
- kappeni Karnasuta, 1993 (Rohita), see Osteochilus kappenii
- kappenii Roberts, 1989 (Osteochilus)
- kappenii Bleeker, 1857 (Rohita), see Osteochilus kappenii
- ?kappleri Gìnther, 1868 (Hemiodus)
- kapuasensis Collette, 1991 (Hemirhamphodon)
- kapuasensis Kottelat, 1984 (Nemacheilus)
- kapuasensis Fowler, 1905 (Cynoglossus)
- kapuasensis Kottelat, 1984 (Noemacheilus), see Nemacheilus kapuasensis
- kapuri Eschmeyer, 1990 (Glyptothorax)
- kapuri Eschmeyer, 1990 (Laguvia), see Glyptothorax kapuri
- kapuri Tilak & Husain, 1975 (Laguvia ribeiroi), see Glyptothorax kapuri
- karachiensis Hoda & Goren, 1990 (Bathygobius)
- karaensis Essipov, 1941 (Eleginus navaga), see Eleginus navaga
- karaensis Soldatov, 1923 (Icelus), see Icelus spatula
- karagea (Raja)
- Karalepis Hardy, 1984 (Tripterygiidae)
- karamani (Rutilus), see Rutilus rubella
- karamani Fowler, 1977 (Rutilis rubella), see Rutilus rubella
- karamani Fowler, 1977 (Rutilus rubella), see Rutilus rubella
- karamani Fowler, 1977 (Rutilus rubella nat. ), see Rutilus rubella
- karamani Vladykov & Petit, 1930 (Rutilus aula nat. ), see Rutilus rubella
- karasuensis Tseeb & Delyamure, 1938 (Vimba vimba tenella nat. ), see Vimba vimba
- karatunensis Kottelat, Whitten, Kartikasari & Wirjoatmodjo, 1993 (Mugilogobius)
- karatunensis Aurich, 1938 (Vaimosa), see Mugilogobius karatunensis
- kardahiensis Reddiah, 1980 (Salmostoma)
- karelica Pravdin, 1931 (Coregonus lavaretus holsatus f. ), see Coregonus lavaretus
- karelicus Berg, 1948 (Coregonus lavaretus), see Coregonus lavaretus
- ?karipat Gray, 1831 (Mystus)
- karkensis Gilchrist & Thompson, 1913 (Barbus), see Barbus anoplus
- karlandreae Lænnberg, 1905 (Notothenia), see Patagonotothen sima
- ?karlik Parin, 1985 (Osopsaron)
- ?karmouth Siniu, 1799 (Silurus)
- karnellai Heemstra & Randall, 1977 (Emmelichthys)
- karomo Poll, 1986 (Oreochromis)
- karomo Poll, 1948 (Tilapia), see Oreochromis karomo
- karongae Trewavas, 1983 (Oreochromis)
- karongae Trewavas, 1941 (Tilapia), see Oreochromis karongae
- karoualensis Blache & Miton, 1960 (Barbus)
- karraf Cuvier (ex Ehrenberg), 1831 (Chaetodon), see Chaetodon larvatus
- karrak Bonnaterre, 1788 (Anarhicas), see Anarhichas minor
- karrerae Karmovskaya, 1991 (Parabathymyrus)
- karrerae Trunov, 1984 (Caelorinchus)
- karrerae Paulin, 1989 (Physiculus)
- karrerae Iwamoto, 1990 (Coelorinchus), see Caelorinchus karrerae
- karrerae Trunov, 1984 (Coelorinchus), see Caelorinchus karrerae
- karreri Klausewitz, 1995 (Facciolella)
- karreri Blache, 1975 (Ophichthus)
- karruwey Lacep¨de, 1801 (Ophicephalus), see Channa punctata
- karsteni Leipertz & Pietsch, 1987 (Dolopichthys)
- karstenii Lìtken (ex Kræyer), 1874 (Hypostomus), see Ancistrus gymnorhynchus
- Karumba Whitley, 1966 (Aploactinidae)
- karut Lacep¨de, 1801 (Labrus), see Johnius carutta
- karuta Shaw, 1803 (Labrus), see Johnius carutta
- karwa Valenciennes, 1830 (Lethrinus), see Lethrinus nebulosus
- kasaba Balletto & Spanâ, 1977 (Garra tibanica), see Garra tibanica
- kasabae Mar©chal & Poll, 1991 (Tropheus)
- kasai Nichols & La Monte, 1933 (Eutropiellus), see Eutropiellus debauwi
- Kasatkia Soldatov & Pavlenko, 1916 (Stichaeidae)
- kasawae (Occella)
- kasawae Jordan & Hubbs, 1925 (Iburiella), see Occella kasawae
- kasawai Eschmeyer, 1998 (Iburiella), see Occella kasawae
- kasawai Kanayama, 1984 (Occella), see Occella kasawae
- ?kashinensis Shaw, 1930 (Culter)
- kashiwae (Pseudanthias)
- kashiwae Allen & Starck, 1982 (Anthias), see Pseudanthias kashiwae
- kashiwae Tanaka, 1918 (Leptanthias), see Pseudanthias kashiwae
- kashmirensis Hora, 1923 (Glyptothorax)
- kashmirensis Hora, 1922 (Nemacheilus), see Triplophysa yasinensis
- kashmirensis Hora, 1922 (Nemachilus), see Triplophysa yasinensis
- Kasidoron Robins & De Sylva, 1965 (Gibberichthyidae), see Gibberichthys
- kasmira Kyushin et al., 1977 (Lutjanus)
- kasmira Forssk¥l, 1775 (Sciaena), see Lutjanus kasmira
- kasougae Smith, 1948 (Dermatopsoides)
- kasougae Smith, 1943 (Dermatopsis), see Dermatopsoides kasougae
- kassamensis Boulenger, 1902 (Barbus), see Barbus intermedius
- kassenjiensis Ahl, 1924 (Haplochilichthys), see Aplocheilichthys loati
- kassiapleuensis Romand, 1992 ( Epiplatysolbrechtsi)
- kasuluensis De Vos & Seegers, 1998 (Orthochromis)
- katakurae Snyder, 1911 (Hippoglossoides), see Hippoglossoides dubius
- katangae David & Poll, 1937 (Microstomatichthyoborus)
- katangae Wildekamp et al., 1986 (Aplocheilichthys)
- katangae Poll, 1976 (Kneria)
- katangae Poll, 1941 ( Polypterusbichir)
- katangae Poll, 1971 (Synodontis)
- katangae Boulenger, 1900 (Barbus), see Barbus trimaculatus
- katangae Boulenger, 1901 (Haplochilus), see Aplocheilichthys katangae
- katangae Boulenger, 1912 (Haplochilus), see Aplocheilichthys katangae
- katangae David & Poll, 1937 (Eleotris nana), see Kribia nana
- katangae Poll, 1948 (Chelaethiops), see Chelaethiops congicus
- katavi Seegers, 1996 (Haplochromis)
- katayamai Anderson, 1970 (Symphysanodon)
- katayamai Randall, Maug© & Plessis, 1979 (Holanthias), see Holanthias chrysostictus
- kate Cuvier, 1829 (Scolopsides), see Scolopsis vosmeri
- kathae Thompson, 1997 (Percina)
- Kathala Mohan, 1969 (Sciaenidae)
- katherinae Randall, 1992 (Cirrhilabrus)
- Kathetostoma Gìnther, 1860 (Uranoscopidae)
- kathetostoma Carvalho, 1957 (Cokeridia), see Dactyloscopus tridigitatus
- Kathetys Huber, 1977 (Aplocheilinae), see Aphyosemion
- kathleenae Regan, 1914 (Chionodraco), see Chionodraco hamatus
- katik Nalbant, 1992 (Kottelatlimia)
- katik Kottelat & Lim, 1992 (Lepidocephalichthys), see Kottelatlimia katik
- katinensis Tchang, 1930 (Xenocypris), see Xenocypris argentea
- katolo Herre, 1953 (Puntius)
- katolo (Barbus), see Puntius katolo
- katolo Herre, 1924 (Barbodes), see Puntius katolo
- ?katonis Tanaka, 1908 (Ctenogobius)
- katoptron (Yoshino, 1984) (Cheilopogon)
- katoptron McCosker & Rosenblatt, 1987 (Anomalops)
- katoptron Bleeker, 1856 (Heterophthalmus), see Anomalops katoptron
- katoptron Bleeker, 1866 (Exocoetus), see Cheilopogon katoptron
- katoptron Yoshino, 1984 (Cypselurus), see Cheilopogon katoptron
- katopyga Berg, 1914 (Gobio gobio m. ), see Gobio gobio
- katria Reinthal & Stiassny, 1997 (Ptychochromoides)
- katsukii Jordan & Tanaka, 1927 (Stellistius), see Pleurogrammus azonus
- katsukii Tanaka, 1927 (Raja), see Okamejei kenojei
- katunko Bleeker, 1852 (Pomacentrus), see Pomacentrus trilineatus
- kauaiensis Gilbert, 1905 (Halosauropsis), see Aldrovandia phalacra
- kauderni Koumans, 1933 (Pterapogon)
- kauffmani Tyler & Smith, 1970 (Notograptus), see Notograptus guttatus
- kaufmani Greenfield, Findley & Johnson, 1993 (Psilotris)
- ?kaufmani Herre, 1952 (Scorpaena)
- kaufmanni Berg, 1911 (Pseudoscaphirhynchus)
- kaufmanni Kessler (ex Bogdanov), 1877 (Scaphirhynchus), see Pseudoscaphirhynchus kaufmanni
- kauila Jenkins, 1903 (Muraena), see Enchelycore pardalis
- kaupi Poey, 1865 (Physiculus)
- kaupi Dawson, 1981 (Enneacampus)
- kaupi Ahl, 1923 (Chaetodon ornatissimus var. ), see Chaetodon ornatissimus
- kaupi Bleeker, 1863 (Syngnathus), see Enneacampus kaupi
- kaupi Masuda et al., 1984 (Synaphobranchus), see Synaphobranchus kaupii
- Kaupia Smith, 1963 (Syngnathynae), see Doryichthys
- Kaupichthys Schultz, 1943 (Chlopsidae)
- kaupii Kottelat, Whitten, Kartikasari & Wirjoatmodjo, 1993 (Yirrkala)
- kaupii Johnson, 1862 (Synaphobranchus)
- kaupii (Hippocampus)
- kaupii Abbott, 1861 (Thyrsoidea), see Echidna catenata
- kaupii Bleeker, 1858 (Sphagebranchus), see Yirrkala kaupii
- kaupii Bleeker, 1860 (Aralea), see Cynoglossus arel
- kaupii Facciol , 1882 (Leptocephalus), see Gnathophis mystax
- Kaupus Whitley, 1951 (Syngnathynae)
- kavaiya Deraniyagala, 1952 (Anabas testudineus), see Anabas testudineus
- kawadae Okamura & Ema, 1985 (Polymixia), see Polymixia longispina
- kawamebari Katayama, 1984 (Coreoperca)
- kawa-mebari Temminck & Schlegel, 1842 (Serranus), see Coreoperca kawamebari
- kawamebari Jordan & Snyder, 1900 (Bryttosus), see Coreoperca kawamebari
- kawamebari Temminck & Schlegel, 1842 (Serranus), see Coreoperca kawamebari
- ?kawamurae Jordan & McGregor, 1925 (Oncorhynchus)
- kawarin Bleeker, 1852 (Halichoeres), see Halichoeres timorensis
- kawarin Bleeker, 1852 (Julis), see Halichoeres timorensis
- kawrus Talwar & Jhingran, 1991 (Labeo)
- kawrus Sykes, 1839 (Chondrostoma), see Labeo kawrus
- kayi Ramsay & Ogilby, 1886 (Galaxias), see Galaxias olidus
- kayko Walbaum, 1792 (Salmo keta vel), see Oncorhynchus keta
- kayko Walbaum, 1792 (Salmo), see Oncorhynchus keta
- kazika Jordan & Starks, 1904 (Cottus)
- kaznakovi Tsao, 1964 (Diptychus)
- kaznakovi Berg, 1906 (Gyrinocheilus), see Gyrinocheilus aymonieri
- kaznakovi Berg, 1912 (Leuciscus cephalus orientalis nat. ), see Leuciscus cephalus
- kaznakovi Nikolskii, 1903 (Ptychobarbus), see Diptychus kaznakovi
- kazuko Lavenberg, 1988 (Chlopsis)
- keadicus Economidis, 1996 (Leuciscus), see Leuciscus souffia
- keadicus Stephanidis, 1971 (Leuciscus soufia), see Leuciscus souffia
- keadicus Stephanidis, 1971 (Telestes soufia), see Leuciscus souffia
- keatingii Boulenger, 1901 (Petrocephalus)
- keckii Silvester, 1915 (Myrichthys), see Myrichthys ocellatus
- keeleyi Fowler, 1941 (Callionymus)
- keelingensis Marshall, 1950 (Scorpaena), see Scorpaenodes kelloggi
- keelini Kottelat & Lim, 1994 (Chendol)
- kefersteini Kaup, 1860 (Leptocephalus), see Echelus myrus
- keiensis (Gobionellus)
- keiensis Hoese, 1986 (Oligolepis), see Gobionellus keiensis
- keiensis Smith, 1938 (Gobius), see Gobionellus keiensis
- keilhacki Ahl, 1928 (Aplocheilichthys), see Aplocheilichthys macrophthalmus
- keimi Fowler, 1909 (Notropis), see Notropis dorsalis
- keithi G©ry, Planquette & Le Bail, 1996 (Astyanax)
- keithi Kottelat, Whitten, Kartikasari & Wirjoatmodjo, 1993 (Macrognathus)
- keithi Herre, 1940 (Mastacembelus), see Macrognathus keithi
- kekemense Radda & Scheel, 1975 ( Aphyosemionbualanum)
- kekemense Huber, 1977 (Kathetys), see Aphyosemion bualanum kekemense
- kelaartii Gìnther, 1861 (Mugil), see Valamugil cunnesius
- kelaartii Gìnther, 1861 (Ophiocephalus), see Channa orientalis
- kelabau Popta, 1904 (Osteochilus)
- kelbelbahr (Squalus)
- kelee Whitehead, 1985 (Hilsa)
- kelee Cuvier, 1829 (Clupea), see Hilsa kelee
- kelee Fowler, 1941 (Macrura), see Hilsa kelee
- keleipionis Jenkins, 1901 (Hemicoris), see Coris ballieui
- keletius Burgess, 1989 (Mystus)
- keletius Valenciennes, 1840 (Bagrus), see Mystus keletius
- kelioides Ng & Lim, 1993 (Encheloclarias)
- kellersi Fowler & Bean, 1927 (Callionymus), see Eleutherochir opercularis
- kellersi Fowler, 1932 (Paramyrus), see Conger cinereus
- kellersi Fowler, 1932 (Salarias), see Istiblennius bellus
- kellersi Fowler, 1943 (Parabelonichthys), see Microphis mento
- Kelloggella Jordan & Seale in Jordan & Evermann, 1905 (Gobiidae)
- kelloggi Jordan & Snyder, 1901 (Hippocampus)
- kelloggi Shen & Lin, 1984 (Plectranthias)
- kelloggi Eschmeyer & Randall, 1975 (Scorpaenodes)
- kelloggi Jenkins, 1903 (Sebastopsis), see Scorpaenodes kelloggi
- kelloggi Jordan & Evermann, 1903 (Anthias), see Plectranthias kelloggi
- kelloggii Jordan & Seale, 1906 (Callyodon), see Scarus spinus
- kemali International Union for Conservation of Nature & Natural Resources (IUCN), 1994 (Hemigrammocapoeta)
- kemali Hankã, 1924 (Varicorhinus), see Hemigrammocapoeta kemali
- kemoensis Fowler, 1936 (Barbus), see Barbus pleuropholis
- kemoensis Fowler, 1936 (Clypeobarbus), see Barbus pleuropholis
- kempeni Collette, 1982 (Zenarchopterus)
- kempi Chaudhuri, 1913 (Aborichthys)
- kempi Hora, 1921 (Garra)
- kempi Caruso, 1990 (Lophiodes)
- kempi Balushkin, 1976 (Lepidonotothen)
- kempi (Nemacheilus), see Aborichthys kempi
- kempi Chaudhuri, 1912 (Olyra), see Olyra longicaudata
- kempi Chaudhuri, 1916 (Engraulis), see Thryssa purava
- kempi Le Danois, 1975 (Pyrenophorus), see Lophiodes kempi
- kempi Menon, 1987 (Nemacheilus), see Aborichthys kempi
- kempi Menon, 1987 (Noemacheilus), see Aborichthys kempi
- kempi Norman, 1930 (Grammatocephalus), see Derichthys serpentinus
- kempi Norman, 1935 (Chirolophius), see Lophiodes kempi
- kempi Norman, 1937 (Notothenia), see Lepidonotothen kempi
- kemratensis Fowler, 1937 (Clarisilurus), see Heteropneustes fossilis
- kendalli Robins & Ray, 1986 (Apterichtus)
- kendalli Colombe & Allgayer, 1985 (Lepidiolamprologus)
- kendalli Meek & Hildebrand, 1928 (Sphoeroides)
- ?kendalli Fowler, 1917 (Orthopristis)
- kendalli Evermann & Cockerell, 1909 (Notropis), see Notropis heterolepis
- kendalli Evermann & Marsh, 1899 (Calamus), see Calamus pennatula
- kendalli Evermann & Seale, 1907 (Cephalopholis), see Cephalopholis cyanostigma
- kendalli Fowler, 1934 (Diaphus), see Diaphus parri
- kendalli Gilbert, 1891 (Sphagebranchus), see Apterichtus kendalli
- kendalli Jordan & Evermann, 1896 (Verma), see Apterichtus kendalli
- kendalli Poll & Stewart, 1977 (Lamprologus), see Lepidiolamprologus kendalli
- Kendallia Evermann & Shaw, 1927 (Leuciscinae), see Hemiculter
- kenderlensis Budamshin (Caspialosa brashnikovi), see Alosa brashnikovi
- kengtungensis Kottelat, 1990 (Schistura)
- kengtungensis Fowler, 1936 (Nemacheilus), see Schistura kengtungensis
- kenie (Sphyraena)
- kenie Klunzinger, 1884 (Sphyraena), see Sphyraena qenie
- kennedyi Steindachner, 1876 (Trachinotus)
- kennedyi G©ry, 1964 (Astyanax)
- kennedyi Eigenmann, 1908 (Psellogrammus)
- kennedyi Eigenmann, 1903 (Hemigrammus), see Psellogrammus kennedyi
- kennensis Whitley, 1964 (Chromis), see Chromis flavomaculatus
- kennerlii Girard, 1856 (Moxostoma), see Erimyzon sucetta
- kennerlyi Gill, 1862 (Hypsifario), see Oncorhynchus kisutch
- kennerlyi Suckley, 1861 (Salmo), see Oncorhynchus kisutch
- kennicotti Lee et al., 1980 (Etheostoma)
- kennicotti Milner, 1883 (Coregonus), see Coregonus nasus
- kennicotti Putnam, 1863 (Catonotus), see Etheostoma kennicotti
- ?kennicottii Dum©ril, 1870 (Acipenser)
- ?kennicottii Dum©ril, 1870 (Huso), see Acipenser kennicottii
- kenojei (Mìller & Henle (ex Bìrger), 1841) (Okamejei)
- kenojei Mìller & Henle (ex Bìrger), 1841 (Raja), see Okamejei kenojei
- Kentrocapros Kaup, 1855 (Aracaninae)
- kentuckiensis Rafinesque, 1820 (Luxilus), see Nocomis biguttatus
- kenyae Smith, 1959 (Stenogobius)
- kenyae Smith, 1958 (Hetereleotris)
- kenyae Smith, 1954 (Anisochromis)
- kenyaensis Nielsen, 1995 (Neobythites)
- kepi Menon, 1987 (Noemacheilus), see Aborichthys kempi
- keralensis Menon, 1987 (Nemacheilus)
- ?keralensis (Joglekar, 1976) (Zebrias)
- keralensis Joglekar, 1976 (Nematozebrias), see Zebrias keralensis
- keralensis Menon, 1987 (Noemacheilus), see Nemacheilus keralensis
- keralensis Rita & Banarescu, Banarescu & Nalbant, 1978 (Indoreonectes), see Nemacheilus keralensis
- keralensis Rita, Banarescu & Nalbant, 1978 (Indoreonectes), see Nemacheilus keralensis
- keralensis Rita, Banarescu & Nalbant, 1978 (Oreonectes), see Nemacheilus keralensis
- keramanus Machida, Hashimoto & Yamakawa, 1997 (Apterichtus)
- kerberti Weber, 1913 (Odontonema), see Kali indica
- kerdops Parr, 1934 (Cetomimus)
- kerdops Harry, 1952 (Psapharocetus), see Cetomimus kerdops
- kerguelensis Hureau, 1990 (Harpagifer)
- kerguelensis Andriashev, 1982 (Paraliparis copei), see Paraliparis copei
- kerguelensis Andriashev, 1986 (Paraliparis copei), see Paraliparis copei
- kerguennae Daget, 1980 (Neolebias)
- Keris Valenciennes in Cuvier & Valenciennes, 1835 (Nasinae), see Naso
- kermadecensis Allen, 1987 (Parma)
- kermadecensis Fricke, 1994 (Enneapterygius)
- ?kermadecensis Nielsen, 1964 (Careproctus)
- kermadecus Jordan & Gilbert, 1904 (Caelorinchus)
- kermadecus Jordan & Gilbert, 1904 (Coelorhynchus), see Caelorinchus kermadecus
- kermadecus McMillan & Paulin, 1993 (Coelorinchus), see Caelorinchus kermadecus
- kermanshahensis (Nemacheilus)
- kermanshahensis Banarescu & Nalbant, 1966 (Noemacheilus), see Nemacheilus kermanshahensis
- kerri Doi, 1997 (Brachydanio)
- kerri G©ry & Junk, 1977 (Inpaichthys)
- ?kerri Smith, 1931 (Paragobiodon)
- kerri Smith, 1931 (Danio), see Brachydanio kerri
- ?kershawi Whitley, 1931 (Vinculum)
- ?kersin Heckel, 1843 (Barbus)
- kerstenii Peters, 1868 (Barbus)
- Kertomichthys McCosker & Bæhlke, 1982 (Ophichthinae)
- kervillei Goren, 1974 (Pseudophoxinus)
- kervillei Pellegrin, 1911 (Phoxinellus), see Pseudophoxinus kervillei
- keslik Lacep¨de, 1801 (Labrus), see Thalassoma pavo
- kessleri (Alosa)
- kessleri (Schistura)
- kessleri L©vªque & Daget, 1984 (Barbus)
- kessleri Herzenstein, 1891 (Schizopygopsis)
- kessleri Berg, 1949 (Neogobius)
- kessleri Schmidt, 1915 (Arnoglossus)
- kessleri Steindachner, 1877 (Arius)
- kessleri Anikin, 1905 (Petromyzon), see Lethenteron camtschaticum
- kessleri Berg, 1913 (Clupeonella), see Alosa kessleri
- kessleri Berg, 1927 (Benthophilus grimmi var. ), see Benthophilus grimmi
- kessleri Berg, 1948 (Caspialosa), see Alosa kessleri
- kessleri Berg, 1948 (Lampetra japonica), see Lethenteron camtschaticum
- kessleri Berg, 1949 (Benthophilus grimmi), see Benthophilus grimmi
- kessleri Berg, 1949 (Cottus), see Cottus kesslerii
- kessleri Berg, 1949 (Nemacheilus), see Schistura kessleri
- kessleri Berg, 1949 (Nemachilus), see Schistura kessleri
- kessleri Coad, 1981 (Nemacheilus), see Schistura kessleri
- kessleri Derjavin, 1929 (Barbus), see Barbus dageti
- kessleri Grimm, 1887 (Clupea), see Alosa kessleri
- kessleri Gìnther, 1861 (Gobius), see Neogobius kessleri
- kessleri Gìnther, 1889 (Nemacheilus), see Schistura kessleri
- kessleri Gìnther, 1889 (Nemachilus), see Schistura kessleri
- kessleri Herzenstein, 1888 (Schizothorax), see Schizothorax pseudoaksaiensis
- kessleri Kiselevich, 1923 (Caspialosa caspia), see Alosa kessleri
- kessleri Menon, 1987 (Noemacheilus), see Schistura kessleri
- kessleri Polyakov, 1874 (Coregonus ludoga var. ), see Coregonus lavaretus
- kessleri Rahimov, 1977 (Benthophilus), see Benthophilus grimmi
- kessleri Russki, 1888 (Diptychus), see Diptychus dybowskii
- kessleri Steindachner, 1866 (Puntius), see Barbus kessleri
- kessleri Steindachner, 1877 (Erythrinus), see Erythrinus erythrinus
- kessleri Turdakov, 1968 (Schizothorax intermedius), see Schizothorax pseudoaksaiensis
- kessleri Yakovlev, 1870 (Gasterosteus pungitius var. ), see Pungitius platygaster
- kessleri Yamazaki & Goto, 1996 (Lethenteron), see Lethenteron camtschaticum
- Kessleria Boghdanov, 1882 (Scaphirhynchinae), see Pseudoscaphirhynchus
- kesslerii Dybowski, 1862 (Gobio)
- kesslerii Dybowski, 1874 (Cottus)
- kesteveni Whitley, 1943 (Oedalechilus), see Valamugil buchanani
- Kestratherina Pavlov, Ivantsoff, Last & Crowley, 1988 (Atherininae)
- keta Jordan & Evermann, 1896 (Oncorhynchus)
- keta Walbaum, 1792 (Salmo), see Oncorhynchus keta
- Ketengus Bleeker, 1847 (Ariidae)
- ?ketlitzii Valenciennes, 1835 (Acanthurus)
- ketlitzii Valenciennes, 1840 (Cheilinus), see Cheilinus oxyrhynchus
- key Hoese, 1986 (Drombus)
- key Smith, 1947 (Gobius), see Drombus key
- khagariansis (Barbus), see Puntius conchonius
- khagariansis (Puntius), see Puntius conchonius
- khagariansis Srivastava & Datta Munshi, 1988 (Puntius conchonius), see Puntius conchonius
- khajuriai Talwar, Yazdani & Kundu, 1977 (Pillaia)
- khajuriai Talwar & Jhingran, 1991 (Chaudhuria), see Pillaia khajuriai
- khajuriai Yazdani & Talwar, 1981 (Garo), see Pillaia khajuriai
- khartoumensis Gideiri, 1967 (Synodontis)
- khavalchor Kulkarni, 1952 (Neotropius)
- khudree Pethiyagoda, 1991 (Tor)
- khudree (Puntius), see Tor khudree
- khudree Sykes, 1839 (Barbus), see Tor khudree
- khwae Kullander & Britz, 2002 (Badis)
- kialingensis Tsao & Tun, 1962 (Schizopygopsis)
- kiangsiensis Banarescu & Nalbant, 1967 ( Sarcocheilichthysvariegatus)
- ?kiangsinensis Dabry de Thiersant, 1872 (Acipenser)
- kiataharae Jordan & Starks, 1904 (Microstomus), see Tanakius kitaharai
- kiatingensis (Microphysogobio), see Microphysogobio brevirostris
- kiatingensis Banarescu & Nalbant, 1966 (Microphysogobio brevirostris), see Microphysogobio brevirostris
- kiatingensis Fang, 1930 (Gobiobotia), see Gobiobotia filifer
- kiatingensis Wu, 1930 (Pseudogobio), see Microphysogobio brevirostris
- kib Montrouzier, 1857 (Balistes), see Melichthys niger
- kibikib Montrouzier, 1857 (Monacanthus), see Cantherhines pardalis
- kibimbi Poll, 1949 (Labeo)
- kibitar Montrouzier, 1857 (Balistes), see Melichthys niger
- kichuani Shih, 1937 (Siniperca schezeri), see Siniperca scherzeri
- kidako Hatooka, 1984 (Gymnothorax)
- kidako Temminck & Schlegel, 1846 (Muraena), see Gymnothorax kidako
- kidderi Rosen & Bailey, 1963 (Carlhubbsia)
- kidderi Hubbs, 1936 (Allophallus), see Carlhubbsia kidderi
- kieneri Smith, 1965 (Teramulus)
- kieneri Arnoult, 1960 (Paretroplus)
- kieneri McAllister, 1990 (Congiopodus)
- kieneri Kaup, 1856 (Anguilla), see Anguilla anguilla
- kieneri Sauvage, 1878 (Agriopus), see Congiopodus kieneri
- Kieneria Maug©, 1984 (Eleotridae), see Eleotris
- kiensis Jordan & Snyder, 1901 (Apogon)
- kiensis Amaoka, 1969 (Parabothus)
- kiensis Tanaka, 1918 (Platophrys), see Parabothus kiensis
- kietaibeli Reisinger, 1830 (Cyprinus), see Leuciscus cephalus
- ?kikaiensis Aoyagi, 1954 (Salarias)
- ?kikaii Aoyagi, 1941 (Pseudochromis)
- kikuchii Yang & Hwang, 1964 (Aphyocypris)
- kikuchii Jordan & Snyder, 1901 (Acipenser), see Acipenser sinensis
- kikuchii Oshima, 1919 (Phoxiscus), see Aphyocypris kikuchii
- kilburni Greenfield, 1996 (Perulibatrachus)
- kildinensis Derjugin, 1920 (Gadus callarias), see Gadus morhua
- kiletz Michailovsky, 1903 (Coregonus albula var. ), see Coregonus albula
- kiliani Campos, 1982 (Cheirodon)
- kiliche Cuvier, 1833 (Caranx), see Decapterus russelli
- killarnensis Regan, 1916 (Alosa finta), see Alosa fallax
- killinensis Kottelat, 1997 (Salvelinus)
- killinensis Gìnther, 1866 (Salmo), see Salvelinus killinensis
- kilomberoensis Wildekamp, Watters & Sainthouse, 2002 (Nothobranchius)
- kilone Pravdin, 1950 (Coregonus lavaretus), see Coregonus lavaretus
- kilossae Steindachner, 1914 (Labeo), see Labeo cylindricus
- kilossana Steindachner, 1914 (Paratilapia), see Haplochromis bloyeti
- Kimberleyeleotris (Eleotridae)
- kimberleyensis Gilchrist & Thompson, 1913 (Barbus)
- kimberleyensis Hoese & Allen, 1982 (Hypseleotris)
- kimberleyensis Vari, 1978 (Syncomistes)
- Kimblaeus Dawson, 1980 (Syngnathynae)
- kimurai Ida & Randall, 1993 (Ammodytoides)
- ?kimurai Shih, 1936 (Channa argus), see Channa argus
- kinabatanganensis Roberts & Vidthayanon, 1991 (Pangasius)
- kincaidi Menezes, 1987 (Cynopotamus)
- kincaidi Gilbert & Thompson, 1905 (Malacocottus)
- kincaidi Schultz, 1950 (Cyrtocharax), see Cynopotamus kincaidi
- kincaidi Townsend & Barbour, 1906 (Hippocampus), see Hippocampus erectus
- kincaidii Eschmeyer & Herald, 1983 (Bathyraja), see Rhinoraja interrupta
- kincaidii Garman, 1908 (Raia), see Rhinoraja interrupta
- kinghwaensis Yih & Wu, 1964 (Pseudohemiculter)
- kinghwaensis Wang, 1935 (Hemiculter), see Pseudohemiculter kinghwaensis
- kingi Heemstra, 1984 (Apolemichthys)
- kingi Tchang, 1935 (Liobagrus)
- kingi Barnett & Gibbs, 1968 (Bathophilus)
- kingii Wildekamp et al., 1986 (Aplocheilichthys)
- kingii Bennett, 1835 (Acanthurus), see Acanthurus bariene
- kingii Boulenger, 1913 (Haplochilus), see Aplocheilichthys kingii
- kingii Jenyns, 1842 (Hippoglossus), see Paralichthys adspersus
- kingii Valenciennes, 1836 (Salarias), see Istiblennius lineatus
- kingsleyae Myers, 1929 (Brycinus)
- kingsleyae Gosse, 1984 (Pollimyrus)
- kingsleyae Gìnther, 1896 (Ctenopoma)
- kingsleyae Boulenger, 1898 (Chromidotilapia)
- kingsleyae Boulenger, 1899 (Barilius), see Raiamas buchholzi
- kingsleyae Gìnther, 1896 (Alestes), see Brycinus kingsleyae
- kingsleyae Gìnther, 1896 (Mormyrus), see Pollimyrus kingsleyae
- kingsleyae Gìnther, 1899 (Chrysichthys), see Chrysichthys walkeri
- kingsleyae Gìnther, 1903 (Clarias), see Clarias laeviceps
- kingsleyae Poll, 1976 (Myletes), see Brycinus kingsleyae
- kingsleyi Hoedeman, 1951 (Brachyalestes imberi), see Brycinus imberi
- kinmeiensis Nakabo, Yamamoto & Chen, 1983 (Foetorepus), see Synchiropus sechellensis
- kinoi Castro-Aguirre, Arvizu-Martinez & Alarcon-Gonzalez, 1991 (Regalecus)
- kin-yu Walbaum, 1792 (Cyprinus auratus), see Carassius auratus
- kinyu Walbaum, 1792 (Cyprinus auratus), see Carassius auratus
- kinzelbachi Krupp, 1985 (Chondrostoma)
- kiogae Worthington, 1929 (Barbus), see Barbus altianalis
- ?kipas Bleeker, 1854 (Acanthurus)
- kiperegensis Steindachner, 1914 (Barbus), see Barbus zanzibaricus
- kirchmayeri Berkenkamp & Etzel, 1986 (Aplocheilus), see Aplocheilus blockii
- kirgisorum Berg, 1912 (Leuciscus leuciscus baicalensis nat. ), see Leuciscus leuciscus
- kirinensis Tchang, 1932 (Barbatula toni), see Nemacheilus toni
- kiritvaithai Meyer, Foerster & Dieckhoff, 1986 (Lamprologus), see Neolamprologus boulengeri
- kirkhami Gilchrist & Thompson, 1917 (Tilapia), see Tilapia rendalli
- kirki Jubb, 1969 (Nothobranchius)
- kirki Dor, 1984 (Alticus), see Alticus kirkii
- kirki Phillipps, 1931 (Squalus), see Squalus acanthias
- kirkii McCosker & Castle, 1986 (Bascanichthys)
- kirkii Boulenger, 1903 (Labeo)
- kirkii Dor, 1984 (Alticus)
- kirkii Eccles & Trewavas, 1989 (Protomelas)
- kirkii (Polyipnus)
- kirkii Gìnther, 1864 (Arius), see Ariodes dussumieri
- kirkii Gìnther, 1868 (Salarias), see Alticus kirkii
- kirkii Gìnther, 1870 (Ophichthys), see Bascanichthys kirkii
- kirkii Gìnther, 1894 (Chromis), see Protomelas kirkii
- kirkii Smith, 1957 (Lophalticus), see Alticus kirkii
- kirm (Scomber)
- kirm Forssk¥l, 1775 (Scomber ignobilis,), see Caranx ignobilis
- kirmanense Nikolskii, 1900 (Cyprinion), see Cyprinion watsoni
- kirschii Jordan & Evermann, 1898 (Iridio), see Halichoeres poeyi
- Kirtlandia Jordan & Evermann, 1896 (Menidiinae), see Membras
- kirtlandii Dum©ril, 1870 (Acipenser), see Acipenser fulvescens
- kirtlandii Dum©ril, 1870 (Huso), see Acipenser fulvescens
- kisatch Walbaum, 1792 (Salmo), see Oncorhynchus kisutch
- Kishinoella Jordan & Hubbs, 1925 (Thunninae), see Thunnus
- kishinouyei Jordan & Snyder, 1900 (Caelorinchus)
- kishinouyei Smith & Pope, 1906 (Hapalogenys)
- kishinouyei Hora & Silas, 1952 (Coraglanis)
- ?kishinouyei Jordan & Snyder, 1901 (Echidna)
- kishinouyei Jordan & Snyder, 1900 (Coelorhynchus), see Caelorinchus kishinouyei
- kishinouyei Kimura, 1934 (Euchiloglanis), see Coraglanis kishinouyei
- kishinouyei Masuda et al., 1984 (Lepidotrigla), see Lepidotrigla kishinouyi
- kishinouyei Okamura, 1984 (Coelorinchus), see Caelorinchus kishinouyei
- kishinouyei Wakiya & Takahashi, 1913 (Salangichthys), see Salangichthys microdon
- kishinouyi Snyder, 1911 (Lepidotrigla)
- kisselevitschi (Alosa brashnikovi), see Alosa brashnikovi
- kisselevitschi Bulgakov, 1926 (Caspialosa), see Alosa brashnikovi
- kissi Poll, 1969 (Parakneria)
- kissiensis Daget, 1954 (Barbus)
- kisutch Jordan & Evermann, 1896 (Oncorhynchus)
- kit Montrouzier, 1857 (Sidjan), see Siganus doliatus
- kitaharae Jordan & Seale, 1906 (Callionymus), see Repomucenus valenciennei
- kitaharae Jordan & Starks, 1904 (Microstomus), see Tanakius kitaharai
- kitaharae Smith & Pope, 1906 (Lambdopsetta), see Laeops kitaharai
- kitaharai Amaoka, 1969 (Laeops)
- kitaharai (Tanakius)
- kitaharai Cooper & Chapleau, 1998 (Glyptocephalus), see Laeops kitaharai
- kitaharai Eschmeyer, 1998 (Microstomus), see Tanakius kitaharai
- kitaharai Lindberg & Krasyukova, 1975 (Callionymus), see Repomucenus valenciennei
- kitai Nakabo & Yamada, 1996 (Ursinoscorpaenopsis)
- kitalensis Pellegrin, 1935 (Barbus percivali var. ), see Barbus neumayeri
- kitt Cooper & Chapleau, 1998 (Microstomus)
- kitt Bloch & Schneider, 1801 (Pleuronectes), see Microstomus kitt
- kitt Walbaum, 1792 (Pleuronectes), see Microstomus kitt
- kittaibeli Valenciennes, 1844 (Cyprinus), see Leuciscus cephalus
- Kiunga Allen, 1983 (Pseudomugilidae)
- kiushiuanus Dæderlein, 1883 (Apogon), see Apogon semilineatus
- kivuensis Pellegrin, 1933 (Amphilius)
- kivuensis Pappenheim & Boulenger, 1914 (Barbus), see Barbus altianalis
- kiwiensis Baird, 1971 (Polyipnus)
- kiwinge Eccles & Trewavas, 1989 (Dimidiochromis)
- kiwinge Ahl, 1926 (Haplochromis), see Dimidiochromis kiwinge
- kiyawensis Radda, 1969 (Pronothobranchius)
- kiyawensis Ahl, 1928 (Nothobranchius), see Pronothobranchius kiyawensis
- kiyi Lee et al., 1980 (Coregonus)
- kiyi Koelz, 1921 (Leucichthys), see Coregonus kiyi
- kiyoae Nakabo, 1984 (Minysynchiropus)
- kiyoae Fricke & Zaiser, 1983 (Synchiropus), see Minysynchiropus kiyoae
- Klamathella Miller, 1945 (Cyprinidae), see Gila
- klamathensis Gilbert, 1898 (Cottus)
- ?klamathensis Evermann & Meek, 1898 (Agosia)
- klatti Robins, Bailey, Bond, Brooker, Lachner, Lea & Scott, 1991 (Crossocheilus)
- klatti Kosswig, 1950 (Neotylognathus), see Crossocheilus klatti
- klatti Kosswig, 1950 (Tylognathus), see Crossocheilus klatti
- klausewitzi Qu©ro & Saldanha, 1995 (Gorgasia)
- klausewitzi Allen & Robertson, 1994 (Heteroconger)
- klausewitzi G©ry, 1960 (Leporinus)
- klausewitzi Goren, 1978 (Ctenogobiops)
- klausewitzi Eibl-Eibiesfeldt & Kæster, 1983 (Taenioconger), see Heteroconger klausewitzi
- klausewitzi Froiland, 1984 (Scorpaena), see Scorpaena porcus
- klausewitzi Meinken, 1962 (Apistogramma), see Apistogramma bitaeniatum
- Klausewitzia G©ry, 1965 (Characidiinae)
- klausewitzii Lotan, 1969 (Ecsenius), see Ecsenius gravieri
- klayi Randall, 1963 (Lipogramma)
- klazingai McCosker & Castle, 1986 (Apterichtus)
- klazingai Weber, 1913 (Sphagebranchus), see Apterichtus klazingai
- kleei Meinken, 1964 (Apistogramma), see Apistogramma bitaeniatum
- kleinenbergi Giglioli, 1889 (Eretmophorus)
- kleinii Bloch, 1790 (Chaetodon)
- ?kleinii Suckow, 1799 (Xiphias)
- ?kleinii Gmelin, 1789 (Balistes)
- ?kleinii Walbaum, 1792 (Zeus)
- Kleiwegia de Beaufort, 1952 (Aploactinidae), see Acanthosphex
- klugei Meinken, 1960 (Pelmatochromis), see Pelvicachromis taeniatus
- klunzingeri Randall, 1995 (Liza)
- klunzingeri Larson & Hoese, 1996 (Hypseleotris)
- klunzingeri Dor, 1984 ( Gomphosuscaeruleus)
- klunzingeri Tortonese, 1973 (Leiognathus)
- klunzingeri McCulloch, 1911 (Pempheris)
- klunzingeri Allen & Robertson, 1994 (Achirus)
- klunzingeri Larson & Martin, 1990 (Aseraggodes)
- klunzingeri Day, 1888 (Mugil), see Liza klunzingeri
- klunzingeri Fowler & Steinitz, 1956 (Thalassoma), see Thalassoma rueppellii
- klunzingeri Kossmann & R¤uber, 1877 (Chaetodon), see Chaetodon austriacus
- klunzingeri Ogilby, 1898 (Carassiops), see Hypseleotris klunzingeri
- klunzingeri Smith, 1965 (Allanetta), see Hypoatherina barnesi
- klunzingeri Steindachner, 1880 (Ambassis), see Ambassis gymnocephalus
- klunzingeri Steindachner, 1880 (Solea), see Achirus klunzingeri
- klunzingeri Steindachner, 1898 (Equula), see Leiognathus klunzingeri
- klunzingeri Weber, 1907 (Pardachirus), see Aseraggodes klunzingeri
- klunzingeri Whitley, 1929 (Chromis), see Chromis hypsilepis
- klunzingerii Pfeffer, 1893 (Eleotris), see Eleotris fusca
- Klunzingerina Fowler, 1931 (Pseudochrominae), see Ogilbyina
- knappi Nafpaktitis, 1978 (Diaphus)
- knappi Randall, 1996 (Plectranthias)
- knappi Imamura & Amaoka, 1994 (Grammoplites)
- knappi Wisner & McMillan, 1995 (Myxine)
- ?knappi Dawson, 1972 (Microdesmus)
- kneri (Zenarchopterus)
- kneri G©ry, 1977 (Semaprochilodus)
- kneri (Culter)
- kneri Vari, 1978 (Mesopristes)
- kneri Burgess, 1989 (Oxydoras)
- kneri Isbrìcker, 1980 (Sturisoma)
- ?kneri Bleeker, 1873 (Parupeneus)
- kneri Berg, 1949 (Cottus), see Paracottus knerii
- kneri Bleeker, 1862 (Halichoeres), see Halichoeres nigrescens
- kneri Bleeker, 1876 (Therapon), see Mesopristes kneri
- kneri De Filippi, 1940 (Loricaria), see Sturisoma kneri
- kneri Eigenmann, 1889 (Pygidium), see Trichomycterus rivulatus
- kneri Gill, 1858 (Callichthys), see Callichthys callichthys
- kneri Ortega & Vari, 1986 (Curimatus), see Curimata knerii
- kneri Pellegrin, 1909 (Prochilodus), see Semaprochilodus kneri
- kneri Warpachowski, 1887 (Hemiculter), see Hemiculter leucisculus
- Kneria Steindachner, 1866 (Kneriidae)
- knerii G©ry, 1977 (Myleus)
- knerii Eschmeyer, Editor, 1998 (Schizodon)
- knerii Ortega & Vari, 1986 (Curimata)
- knerii Elvira, 1987 (Chondrostoma)
- knerii Miller, 1973 (Pomatoschistus)
- knerii Garman, 1912 (Siniperca)
- knerii Sideleva, 1962 (Paracottus)
- knerii Mees, 1989 (Dysichthys)
- knerii Isbrìcker, 1980 (Farlowella)
- knerii Steindachner, 1882 (Trichomycterus)
- ?knerii Steindachner, 1875 (Polyprion)
- ?knerii Steindachner, 1867 (Monacanthus)
- ?knerii Steindachner, 1867 (Paramonacanthus), see Monacanthus knerii
- knerii Ahl, 1923 (Chaetodon collare var. ), see Chaetodon wiebeli
- knerii Burgess, 1989 (Rhamdia sebae), see Rhamdia quelen
- knerii Dybowski, 1874 (Cottus), see Paracottus knerii
- knerii Heckel, 1843 (Chondrostomus), see Chondrostoma knerii
- knerii Steindachner, 1861 (Gobius), see Pomatoschistus knerii
- knerii Steindachner, 1866 (Pentaceros), see Pseudopentaceros richardsoni
- knerii Steindachner, 1875 (Anostomus), see Schizodon knerii
- knerii Steindachner, 1876 (Chalcinus), see Triportheus albus
- knerii Steindachner, 1876 (Curimatus), see Curimata knerii
- knerii Steindachner, 1877 (Pimelodus), see Rhamdia quelen
- knerii Steindachner, 1877 (Rhamdia), see Rhamdia quelen
- knerii Steindachner, 1881 (Myletes), see Myleus knerii
- knerii Steindachner, 1882 (Acestra), see Farlowella knerii
- knerii Steindachner, 1882 (Bunocephalus), see Dysichthys knerii
- Kneriidae (Gonorhynchiformes)
- knighti Allen, 1987 (Pseudoplesiops)
- knighti Jordan & Evermann, 1903 (Gnatholepis), see Gnatholepis anjerensis
- knighti Jordan & Starks, 1906 (Anarchias), see Uropterygius macrocephalus
- kniluensis Pellegrin, 1930 (Barbus), see Barbus kuiluensis
- knipovitschi Soldatov, 1939 (Myctophum glaciale), see Benthosema glaciale
- knipowitschi Beling, 1927 (Pomatoschistus), see Knipowitschia longicaudata
- knipowitschi Berg (ex Krogius), 1933 (Coregonus lavaretus imandrae infra. ), see Coregonus lavaretus
- knipowitschi Berg, 1948 (Caspialosa caspia), see Alosa caspia
- knipowitschi Essipov, 1939 (Liopsetta glacialis), see Pleuronectes glacialis
- knipowitschi Iljin, 1927 (Caspialosa), see Alosa caspia
- knipowitschi Krogius, 1933 (Coregonus lavaretus imandrae infra. ), see Coregonus lavaretus
- knipowitschi Lindberg & Andriashev, 1937 (Sarritor leptorhynchus), see Leptagonus leptorhynchus
- knipowitschi Popov, 1931 (Lycodes), see Lycodes mucosus
- knipowitschi Pravdin, 1927 (Rutilus rutilus caspicus nat. ), see Rutilus rutilus
- knipowitschi Sheiko, 1993 (Sarritor leptorhynchus), see Leptagonus leptorhynchus
- knipowitschi Slastenenko, 1934 (Blennius), see Lipophrys adriaticus
- knipowitschi Soldatov, 1927 (Ascoldia variegata), see Askoldia variegata
- knipowitschi Soldatov, 1927 (Askoldia variegata), see Askoldia variegata
- knipowitschi Soldatov, 1927 (Askoldia), see Askoldia variegata
- knipowitschi Svetovidov, 1973 (Alosa caspia), see Alosa caspia
- knipowitschi Svetovidov, 1973 (Alosa), see Alosa caspia
- knipowitschi Whitehead, 1985 (Caspialosa caspia), see Alosa caspia
- Knipowitschia Iljin, 1927 (Gobiinae)
- Knodus Eigenmann, 1911 (Tetragonopterinae)
- knoepffleri Taverne & G©ry, 1968 (Boulengeromyrus)
- ?knorrii Walbaum, 1792 (Ostracion)
- knoxi Hutton, 1873 (Ctenolabrus), see Girella tricuspidata
- ?knutteli Bleeker, 1858 (Gobius)
- knysnaensis Smith, 1935 (Psammogobius)
- knysnaensis Gilchrist, 1904 (Serranus), see Serranus cabrilla
- knysnaensis Smith, 1933 (Hemirhamphus), see Hyporhamphus capensis
- knysnaensis Smith, 1964 (Apletodon), see Apletodon pellegrini
- koaro Phillipps, 1940 (Galaxias), see Galaxias brevipinnis
- kobayashii Miya, 1994 (Cyclothone)
- ?kobayashii Tanaka, 1916 (Malthopsis)
- ?kobayashii Oshima, 1926 (Mastacembelus)
- kobayashii Mori, 1927 (Sarcocheilichthys), see Sarcocheilichthys variegatus
- kobensis Ochiai, 1984 (Aseraggodes)
- kobensis Amaoka, 1969 (Crossorhombus)
- kobensis Jordan & Starks, 1906 (Scaeops), see Crossorhombus kobensis
- kobensis Steindachner, 1896 (Achirus), see Aseraggodes kobensis
- kobensis Steindachner, 1896 (Solea), see Aseraggodes kobensis
- kobonensis Brittan, 1972 (Rasbora), see Rasbora rasbora
- kobonensis Chaudhuri, 1913 (Rasbora rasbora var. ), see Rasbora rasbora
- kochi Smith, 1948 (Xenopoclinus)
- kochi Van Tassell, 1988 (Didogobius)
- kochi Weber, 1907 (Petroscirtes), see Omobranchus punctatus
- Kochia Kamohara, 1960 (Pinguipedidae), see Kochichthys
- Kochichthys Kamohara, 1961 (Pinguipedidae)
- kochiensis Randall & Yamakawa, 1996 (Myripristis)
- kodaguensis Menon, 1987 (Nemacheilus)
- kodaguensis Menon, 1987 (Noemacheilus), see Nemacheilus kodaguensis
- ?kodipungi Bleeker, 1852 (Pterois)
- koedjem Popta, 1904 (Dangila), see Labiobarbus fasciatus
- koefoedi Markle & Sazonov, 1990 (Bellocia)
- koefoedi Parr, 1937 (Searsia)
- koefoedi Nybelin, 1954 (Bassogigas), see Holcomycteronus squamosus
- koefoedi Parr, 1931 (Liparis), see Liparis fabricii
- koefoedi Parr, 1951 (Bathytroctes), see Bellocia koefoedi
- koehleri (Caranx)
- koehleri (Mullus)
- koehleri (Scomber)
- koehleri (Sphyraena)
- koehleri (Raja)
- ?koehleri Curtiss, 1938 (Anthias)
- koellikeri Kaup, 1856 (Leptocephalus), see Gnathophis mystax
- ?koelreuteri Walbaum, 1792 (Perca)
- ?koelreuteri Walbaum, 1792 (Labrus)
- koelreuteri Gìnther, 1861 (Osphromenus trichopterus var. ), see Trichogaster trichopterus
- koelreuteri Murdy, 1989 (Periophthalmus), see Periophthalmus barbarus
- koelreuteri Pallas, 1770 (Gobius), see Periophthalmus barbarus
- koelreuteri Schneider, 1801 (Scomber), see Naucrates ductor
- koelzi Tarp, 1952 (Amphistichus)
- ?koelzi Hubbs & Lagler, 1949 ( Margariscusmargarita)
- koelzi Hubbs, 1933 (Crossochir), see Amphistichus koelzi
- koenigi Pietschmann, 1932 (Bagrus), see Bagrus docmak
- ?koenigii Bloch, 1789 (Scorpaena)
- koensis Pellegrin, 1933 (Synodontis)
- kohatensis Menon, 1987 (Nemacheilus)
- kohatensis Menon, 1987 (Noemacheilus), see Nemacheilus kohatensis
- kohatensis Mirza & Banarescu, Nalbant & Banarescu, 1981 (Schistura), see Nemacheilus kohatensis
- kohchangensis Kottelat, 1990 (Schistura)
- kohchangensis Smith, 1933 (Nemacheilus), see Schistura kohchangensis
- koheru Paulin, Stewart, Roberts & McMillan, 1989 (Decapterus)
- koheru Hector, 1875 (Caranx), see Decapterus koheru
- kohleri Schultz, 1953 (Epinephelus), see Epinephelus cyanopodus
- kohleri Schultz, 1953 (Pterocaesio), see Pterocaesio marri
- koilogeneion Bleeker, 1857 (Rohita), see Labeo chrysophekadion
- koilomatodon (Butis)
- ?koilomatodon Bleeker, 1853 (Apogon)
- koilomatodon Bleeker, 1849 (Eleotris), see Butis koilomatodon
- koilomatodon Bleeker, 1858 (Syngnathus), see Halicampus grayi
- koilomatodon Maug©, 1986 (Prionobutis), see Butis koilomatodon
- koilometopon (Puntius), see Barbodes gonionotus
- koilometopon Bleeker, 1857 (Barbus), see Barbodes gonionotus
- Koinga Whitley, 1939 (Squalidae), see Squalus
- kokius Maug©, 1986 (Glossogobius)
- kokius Valenciennes, 1837 (Gobius), see Glossogobius kokius
- kokopu Clarke, 1899 (Galaxias), see Galaxias argenteus
- kolenty Dybowski, 1877 (Carassius vulgaris var. ), see Carassius auratus
- kolhapurensis Kalawar & Kelkar, 1956 (Botia striata var. ), see Botia striata
- kollarii Heckel, 1836 (Cyprinus), see Carassius carassius x cyprinus carpio
- kollarii Heckel, 1836 (Cyprinus), see Cyprinus carpio x carassius carassius
- kollarii Heckel, 1843 (Carpio), see Cyprinus carpio x carassius carassius
- kolleri Holly, 1926 (Distichodus)
- kolleri Banarescu & Nalbant, 1966 (Gobiobotia)
- kolpakowskii Nikolskii, 1885 (Schizothorax), see Schizothorax argentatus
- kolpos Bæhlke & Bæhlke, 1980 (Gymnothorax)
- kolthoffi Jensen, 1904 (Lycenchelys)
- kolus (Puntius), see Hypselobarbus curmuca
- kolus Bleeker, 1860 (Gonoproktopterus), see Hypselobarbus curmuca
- kolus Eschmeyer, 1990 (Hypselobarbus), see Hypselobarbus curmuca
- kolus Sykes, 1839 (Barbus), see Hypselobarbus curmuca
- kolus Talwar & Jhingran, 1991 (Gonoproktopterus), see Hypselobarbus curmuca
- kolythrus Gill & Winterbottom, 1993 (Pseudochromis)
- koma Prince Akihito, 1984 (Luciogobius)
- koma Snyder, 1909 (Inu), see Luciogobius koma
- komaensis Allen & Jebb, 1993 (Hephaestus)
- kominatoensis Ebina, 1935 (Apogon), see Apogon coccineus
- kompi Hildebrand & Towers, 1928 (Fundulus), see Fundulus chrysotus
- kompi Hildebrand, 1938 (Astyanax), see Astyanax fasciatus kompti
- kompti ( Astyanaxfasciatus)
- komuki (Monacanthus)
- konam Bleeker, 1851 (Cybium), see Scomberomorus commerson
- kongi Markle & Melendez, 1988 (Laemonema)
- kongoranensis Wildekamp et al., 1986 (Aplocheilichthys)
- kongoranensis Ahl, 1924 (Haplochilichthys), see Aplocheilichthys kongoranensis
- kongphengi Kottelat, 1998 (Schistura)
- Konia Trewavas, Green & Corbet, 1972 (Cichlidae)
- koningsbergeri Whitehead, 1985 (Herklotsichthys)
- koningsbergeri Weber & de Beaufort, 1912 (Clupea), see Herklotsichthys koningsbergeri
- koningsbergeri Weber & de Beaufort, 1912 (Harengula), see Herklotsichthys koningsbergeri
- konkoureensis Howes & Teugels, 1989 (Leptocypris)
- Konopickia Whitley, 1937 (Ambassidae), see Ambassis
- konopickyi Isbrìcker, 1980 (Rineloricaria)
- konopickyi Steindachner, 1879 (Loricaria), see Rineloricaria konopickyi
- Konosirus Jordan & Snyder, 1900 (Clupeidae)
- konstantinovi Myagkov, 1991 (Cottunculus)
- kontius Talwar & Jhingran, 1991 (Labeo)
- kontius Jerdon, 1849 (Cyprinus), see Labeo kontius
- kontumensis Rainboth, 1996 (Poropuntius)
- kontumensis Chevey, 1934 (Cyclocheilichthys), see Poropuntius kontumensis
- kopsii Bleeker, 1858 (Ambassis)
- kopsii Dor, 1984 (Cynoglossus)
- kopsii Bleeker, 1851 (Amphacanthus), see Siganus fuscescens
- kopsii Bleeker, 1851 (Plagusia), see Cynoglossus kopsii
- Kopua Hardy, 1984 (Gobiesocinae)
- kopua Matsui & Rosenblatt, 1986 (Persparsia)
- kopua Phillipps, 1942 (Bathytroctes), see Persparsia kopua
- koputea Randall & Choat, 1980 (Scarus)
- kora Nafpaktitis, Robertson & Paxton, 1995 (Diaphus)
- ?kora Valenciennes, 1837 (Gobius)
- ?korab Lacep¨de, 1801 (Caranx)
- koragensis Herre, 1935 (Glossogobius)
- koreana Jeong & Nakabo, 1997 (Raja)
- koreanum Kishinouye, 1915 (Cybium), see Scomberomorus koreanus
- koreanus Nakabo, Jeon & Li, 1987 (Repomucenus)
- koreanus Lindberg & Krasyukova, 1975 (Scomberomorus)
- koreanus Kim & Lee, 1994 (Sebastes)
- koreanus Kishinouye, 1908 (Engraulis), see Thryssa chefuensis
- koreensis Kim, 1975 (Cobitis)
- koreensis Kim & Kim, 1990 (Acheilognathus)
- koreensis Banarescu & Nalbant, 1966 (Microphysogobio brevirostris), see Microphysogobio brevirostris
- koreensis Kim & Park, 1997 (Iksookimia), see Cobitis koreensis
- koreensis Mori, 1927 (Sarcocheilichthys), see Sarcocheilichthys variegatus
- koreensis Mori, 1935 (Microphysogobio), see Microphysogobio brevirostris
- koreensis Nalbant, 1993 (Iksookimia), see Cobitis koreensis
- korely Valenciennes, 1830 (Lethrinus), see Lethrinus nebulosus
- korigarei Hubbs, 1915 (Limanda), see Pleuronectes sakhalinensis
- korker Lacep¨de, 1802 (Perca), see Pomadasys stridens
- korneliae Meyer, Riehl & Zetzsche, 1987 (Aulonocara)
- kornilovorum Parin & Kobyliansky, 1993 (Maurolicus)
- korogwe Trewavas, 1983 (Oreochromis)
- korogwe Lowe, 1955 (Tilapia mossambica), see Oreochromis korogwe
- korotneffi Berg, 1906 (Abyssocottus)
- Korsogaster Parr, 1933 (Trachichthyidae), see Hoplostethus
- korthausae Kottelat, 1982 (Pectenocypris)
- korthausae Meinken, 1973 (Nothobranchius)
- korua Dutt & Seshagiri-Rao, 1972 (Coilia), see Coilia reynaldi
- ?koschar Walbaum, 1792 (Perca)
- koseirensis Klunzinger, 1871 (Gobius)
- koseirensis Klunzinger, 1871 (Belone), see Tylosurus crocodilus
- koshewnikowi Berg, 1949 (Cottus gobio), see Cottus gobio
- koshewnikowi Gratzianov, 1907 (Cottus), see Cottus gobio
- kosiensis Smith, 1959 (Pereulixia)
- kosiensis Regan, 1908 (Salarias), see Pereulixia kosiensis
- koslowi Herzenstein, 1891 (Schizopygopsis), see Schizopygopsis pylzovi
- koslowi Huang, (e al.), 1987 (Schizothorax), see Schizopygopsis pylzovi
- kossmanni Whitley, 1970 (Blennius), see Parablennius cyclops
- kosswigi Banarescu & Nalbant, 1964 (Turcinoemacheilus)
- kosswigi Coad, 1982 (Barbus)
- kosswigi Karaman, 1972 (Leucalburnus)
- ?kosswigi Erkakan & Kuru, 1986 ( Orthriasangorae)
- ?kosswigi Battalgil, 1941 (Alburnus)
- kosswigi Karaman, 1969 (Capoeta capoeta), see Capoeta capoeta
- kosswigi Karaman, 1971 (Barbus plebejus), see Barbus plebejus
- kosswigi Karaman, 1971 (Kosswigobarbus), see Barbus kosswigi
- kosswigi Ladiges, 1960 (Cyclocheilichthys), see Barbus kosswigi
- kosswigii Sæzer, 1941 (Bubyr caucasicus), see Knipowitschia caucasica
- Kosswigobarbus Karaman, 1971 (Barbinae), see Barbus
- kosszanderi Meyer & Wischnath, 1981 (Xiphophorus), see Xiphophorus variatus x xiphophorus xiphidium
- kosszanderi Meyer & Wischnath, 1981 (Xiphophorus), see Xiphophorus xiphidium x xiphophorus variatus
- koster (Acipenser)
- kostera Fitzinger, 1832 (Acipenser), see Acipenser ruthenus
- kostera Pallas, 1814 (Acipenser sturio var. ), see Acipenser sturio
- kotlyari Sazonov & Ivanov, 1980 (Talismania)
- kotlyari Agafonova, 1988 (Cubiceps)
- kotschyi Bauchot & Smith, 1984 ( Diplodussargus)
- ?kotschyi Steindachner, 1863 (Alburnus)
- kotschyi Heckel, 1846-49 (Alestes), see Alestes baremoze
- kotschyi Steindachner, 1876 (Sargus), see Diplodus sargus kotschyi
- kottae Lænnberg, 1904 (Tilapia)
- kottelati Collette, 1995 (Tondanichthys)
- kottelati Lim, 1995 (Rasbora)
- kottelati Pethiyagoda, 1991 (Monodactylus)
- Kottelatlimia Nalbant, 1992 (Cobitinae)
- kotthausi Fricke, 1981 (Callionymus)
- kotthausi (Arnoglossus)
- kouamense Legros, 1999 (Aphyosemion)
- Koumansetta Whitley, 1940 (Gobiidae), see Amblygobius
- koumansi Prince Akihito, 1984 (Cryptocentrus)
- koumansi Miller, 1990 (Lesueurigobius)
- ?koumansi Boeseman, 1947 (Oplopomus)
- koumansi Herre, 1937 (Gnatholepis), see Lesueurigobius koumansi
- koumansi Norman, 1935 (Acentrogobius), see Lesueurigobius koumansi
- koumansi Whitley, 1933 (Obtortiophagus), see Cryptocentrus koumansi
- Koumansiasis Visweswara Rao, 1968 (Gobiinae), see Bathygobius
- kouripua Lesson, 1831 (Uranoscopus), see Uranoscopus cirrhosus
- kovatchevi Chichkoff, 1937 (Gobio gobio), see Gobio gobio
- ?kowal Rìppell (ex Russel), 1837 (Clupea)
- Kowala Valenciennes in Cuvier & Valenciennes, 1847 (Clupeinae), see Sardinella
- kowala Bleeker, 1851 (Spratella), see Sardinella albella
- ?kowanensis Aoyagi, 1943 ( Gymnothoraxpictus)
- kowiensis Smith, 1935 (Scorpaena), see Sebastapistes cyanostigma
- kozlovi Nikolskii, 1903 (Schizothorax)
- kozovi Dashdorzh et all., 1968 (Thymallus brevirostris), see Thymallus brevirostris
- kozovi Taliev, 1946 (Limnocottus), see Limnocottus griseus
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
Markku Savela