| Kajikia albida (Poey, 1860)
|
Animalia
|
Chordata
|
Teleostei
|
Carangiformes
|
Istiophoridae
|
Kajikia
|
oceanic
|
Subtropical
|
| Kajikia audax (Philippi, 1887)
|
Animalia
|
Chordata
|
Teleostei
|
Carangiformes
|
Istiophoridae
|
Kajikia
|
oceanic
|
Subtropical
|
| Kali colubrina Melo, 2008
|
Animalia
|
Chordata
|
Teleostei
|
Scombriformes
|
Chiasmodontidae
|
Kali
|
bathypelagic
|
Subtropical
|
| Kali falx Melo, 2008
|
Animalia
|
Chordata
|
Teleostei
|
Scombriformes
|
Chiasmodontidae
|
Kali
|
bathypelagic
|
Tropical
|
| Kali indica Lloyd, 1909
|
Animalia
|
Chordata
|
Teleostei
|
Scombriformes
|
Chiasmodontidae
|
Kali
|
bathypelagic
|
bathypelagic
|
| Kali kerberti (Weber, 1913)
|
Animalia
|
Chordata
|
Teleostei
|
Scombriformes
|
Chiasmodontidae
|
Kali
|
bathypelagic
|
bathypelagic
|
| Kali macrodon (Norman, 1929)
|
Animalia
|
Chordata
|
Teleostei
|
Scombriformes
|
Chiasmodontidae
|
Kali
|
bathypelagic
|
bathypelagic
|
| Kali macrura (Parr, 1933)
|
Animalia
|
Chordata
|
Teleostei
|
Scombriformes
|
Chiasmodontidae
|
Kali
|
bathypelagic
|
bathypelagic
|
| Kali parri Johnson & Cohen, 1974
|
Animalia
|
Chordata
|
Teleostei
|
Scombriformes
|
Chiasmodontidae
|
Kali
|
bathypelagic
|
bathypelagic
|
| Kalimantania lawak (Bleeker, 1855)
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Cyprinidae
|
Kalimantania
|
demersal
|
Tropical
|
| Kalyptatherina helodes (Ivantsoff & Allen, 1984)
|
Animalia
|
Chordata
|
Teleostei
|
Atheriniformes
|
Telmatherinidae
|
Kalyptatherina
|
brackish
|
Tropical
|
| Kalyptodoras bahiensis Higuchi, Britski & Garavello, 1990
|
Animalia
|
Chordata
|
Teleostei
|
Siluriformes
|
Doradidae
|
Kalyptodoras
|
demersal
|
Tropical
|
| Kamoharaia megastoma (Kamohara, 1936)
|
Animalia
|
Chordata
|
Teleostei
|
Pleuronectiformes
|
Bothidae
|
Kamoharaia
|
bathydemersal
|
bathydemersal
|
| Kanekonia florida Tanaka, 1915
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Scorpaenoidei
|
Aploactinidae
|
Kanekonia
|
demersal
|
Temperate
|
| Kanekonia leichhardti Johnson, 2013
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Scorpaenoidei
|
Aploactinidae
|
Kanekonia
|
demersal
|
Tropical
|
| Kanekonia pelta Poss, 1982
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Scorpaenoidei
|
Aploactinidae
|
Kanekonia
|
demersal
|
Tropical
|
| Kanekonia queenslandica Whitley, 1952
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Scorpaenoidei
|
Aploactinidae
|
Kanekonia
|
demersal
|
Subtropical
|
| Kaperangus microlepis (Norman, 1935)
|
Animalia
|
Chordata
|
Teleostei
|
Acropomatiformes
|
Synagropidae
|
Kaperangus
|
bathypelagic
|
bathypelagic
|
| Karalepis stewarti Hardy, 1984
|
Animalia
|
Chordata
|
Teleostei
|
Blenniiformes
|
Tripterygiidae
|
Karalepis
|
demersal
|
Temperate
|
| Karalla daura (Cuvier, 1829)
|
Animalia
|
Chordata
|
Teleostei
|
Acanthuriformes
|
Leiognathidae
|
Karalla
|
demersal
|
Tropical
|
| Karalla dussumieri (Valenciennes, 1835)
|
Animalia
|
Chordata
|
Teleostei
|
Acanthuriformes
|
Leiognathidae
|
Karalla
|
brackish
|
Tropical
|
| Karsten totoyensis (Garman, 1903)
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Karsten
|
demersal
|
Tropical
|
| Kasatkia memorabilis Soldatov & Pavlenko, 1916
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Zoarcoidei
|
Opisthocentridae
|
Kasatkia
|
demersal
|
Subtropical
|
| Kasatkia seigeli Posner & Lavenberg, 1999
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Zoarcoidei
|
Opisthocentridae
|
Kasatkia
|
demersal
|
Tropical
|
| Kathala axillaris (Cuvier, 1830)
|
Animalia
|
Chordata
|
Teleostei
|
Eupercaria/misc
|
Sciaenidae
|
Kathala
|
benthopelagic
|
Tropical
|
| Kathetostoma albigutta Bean, 1892
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Kathetostoma
|
demersal
|
Subtropical
|
| Kathetostoma averruncus Jordan & Bollman, 1890
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Kathetostoma
|
bathydemersal
|
bathydemersal
|
| Kathetostoma binigrasella Gomon & Roberts, 2011
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Kathetostoma
|
benthopelagic
|
Temperate
|
| Kathetostoma canaster Gomon & Last, 1987
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Kathetostoma
|
bathydemersal
|
bathydemersal
|
| Kathetostoma cubanum Barbour, 1941
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Kathetostoma
|
bathydemersal
|
bathydemersal
|
| Kathetostoma fluviatilis Hutton, 1872
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Kathetostoma
|
demersal
|
Subtropical
|
| Kathetostoma giganteum Haast, 1873
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Kathetostoma
|
demersal
|
Temperate
|
| Kathetostoma laeve (Bloch & Schneider, 1801)
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Kathetostoma
|
demersal
|
Subtropical
|
| Kathetostoma nigrofasciatum Waite & McCulloch, 1915
|
Animalia
|
Chordata
|
Teleostei
|
Perciformes/Uranoscopoidei
|
Uranoscopidae
|
Kathetostoma
|
demersal
|
Subtropical
|
| Katibasia insidiosa Kottelat, 2004
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Gastromyzontidae
|
Katibasia
|
demersal
|
Tropical
|
| Katria katria (Reinthal & Stiassny, 1997)
|
Animalia
|
Chordata
|
Teleostei
|
Cichliformes
|
Cichlidae
|
Katria
|
demersal
|
Tropical
|
| Katsuwonus pelamis (Linnaeus, 1758)
|
Animalia
|
Chordata
|
Teleostei
|
Scombriformes
|
Scombridae
|
Katsuwonus
|
oceanic
|
Tropical
|
| Kaupichthys atronasus Schultz, 1953
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Chlopsidae
|
Kaupichthys
|
associated
|
Tropical
|
| Kaupichthys brachychirus Schultz, 1953
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Chlopsidae
|
Kaupichthys
|
associated
|
Tropical
|
| Kaupichthys diodontus Schultz, 1943
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Chlopsidae
|
Kaupichthys
|
associated
|
Tropical
|
| Kaupichthys hyoproroides (Strömman, 1896)
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Chlopsidae
|
Kaupichthys
|
associated
|
Subtropical
|
| Kaupichthys japonicus Matsubara & Asano, 1960
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Chlopsidae
|
Kaupichthys
|
benthopelagic
|
Tropical
|
| Kaupichthys nuchalis Böhlke, 1967
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Chlopsidae
|
Kaupichthys
|
associated
|
Tropical
|
| Kaupus costatus (Waite & Hale, 1921)
|
Animalia
|
Chordata
|
Teleostei
|
Syngnathiformes
|
Syngnathidae
|
Kaupus
|
demersal
|
Subtropical
|
| Kelloggella avaiki Tornabene, Deis & Erdmann, 2017
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Kelloggella
|
neritic
|
Tropical
|
| Kelloggella cardinalis Jordan & Seale, 1906
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Kelloggella
|
demersal
|
Tropical
|
| Kelloggella disalvoi Randall, 2009
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Kelloggella
|
benthopelagic
|
Tropical
|
| Kelloggella oligolepis (Jenkins, 1903)
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Kelloggella
|
demersal
|
Subtropical
|
| Kelloggella quindecimfasciata (Fowler, 1946)
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Kelloggella
|
demersal
|
Tropical
|
| Kelloggella tricuspidata (Herre, 1935)
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Kelloggella
|
demersal
|
Tropical
|
| Kentrocapros aculeatus (Houttuyn, 1782)
|
Animalia
|
Chordata
|
Teleostei
|
Tetraodontiformes
|
Aracanidae
|
Kentrocapros
|
demersal
|
Temperate
|
| Kentrocapros eco (Phillipps, 1932)
|
Animalia
|
Chordata
|
Teleostei
|
Tetraodontiformes
|
Aracanidae
|
Kentrocapros
|
demersal
|
Temperate
|
| Kentrocapros flavofasciatus (Kamohara, 1938)
|
Animalia
|
Chordata
|
Teleostei
|
Tetraodontiformes
|
Aracanidae
|
Kentrocapros
|
demersal
|
Temperate
|
| Kentrocapros rosapinto (Smith, 1949)
|
Animalia
|
Chordata
|
Teleostei
|
Tetraodontiformes
|
Aracanidae
|
Kentrocapros
|
demersal
|
Tropical
|
| Kentrocapros spilonota (Gilbert, 1905)
|
Animalia
|
Chordata
|
Teleostei
|
Tetraodontiformes
|
Aracanidae
|
Kentrocapros
|
demersal
|
Tropical
|
| Kenyaconger heemstrai Smith & Karmovskaya, 2003
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Congridae
|
Kenyaconger
|
bathydemersal
|
bathydemersal
|
| Kertomichthys blastorhinos (Kanazawa, 1963)
|
Animalia
|
Chordata
|
Teleostei
|
Anguilliformes
|
Ophichthidae
|
Kertomichthys
|
demersal
|
Tropical
|
| Kestratherina brevirostris Pavlov, Ivantsoff, Last & Crowley, 1988
|
Animalia
|
Chordata
|
Teleostei
|
Atheriniformes
|
Atherinidae
|
Kestratherina
|
brackish
|
Subtropical
|
| Kestratherina esox (Klunzinger, 1872)
|
Animalia
|
Chordata
|
Teleostei
|
Atheriniformes
|
Atherinidae
|
Kestratherina
|
brackish
|
Temperate
|
| Ketengus typus Bleeker, 1846
|
Animalia
|
Chordata
|
Teleostei
|
Siluriformes
|
Ariidae
|
Ketengus
|
freshwater
|
Tropical
|
| Kichulchoia brevifasciata (Kim & Lee, 1995)
|
Animalia
|
Chordata
|
Teleostei
|
Cypriniformes
|
Cobitidae
|
Kichulchoia
|
demersal
|
Temperate
|
| Kihnichthys ufermanni (Allgayer, 2002)
|
Animalia
|
Chordata
|
Teleostei
|
Cichliformes
|
Cichlidae
|
Kihnichthys
|
benthopelagic
|
Tropical
|
| Kimblaeus bassensis Dawson, 1980
|
Animalia
|
Chordata
|
Teleostei
|
Syngnathiformes
|
Syngnathidae
|
Kimblaeus
|
demersal
|
Temperate
|
| Kiunga ballochi Allen, 1983
|
Animalia
|
Chordata
|
Teleostei
|
Atheriniformes
|
Pseudomugilidae
|
Kiunga
|
demersal
|
Tropical
|
| Kiunga bleheri Allen, 2004
|
Animalia
|
Chordata
|
Teleostei
|
Atheriniformes
|
Pseudomugilidae
|
Kiunga
|
benthopelagic
|
Tropical
|
| Klausewitzia ritae Géry, 1965
|
Animalia
|
Chordata
|
Teleostei
|
Characiformes
|
Crenuchidae
|
Klausewitzia
|
pelagic
|
Tropical
|
| Kneria angolensis Steindachner, 1866
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
benthopelagic
|
Tropical
|
| Kneria ansorgii (Boulenger, 1910)
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
benthopelagic
|
Tropical
|
| Kneria auriculata (Pellegrin, 1905)
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
benthopelagic
|
Tropical
|
| Kneria katangae Poll, 1976
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
benthopelagic
|
Tropical
|
| Kneria maydelli Ladiges & Voelker, 1961
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
benthopelagic
|
Tropical
|
| Kneria paucisquamata Poll & Stewart, 1975
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
benthopelagic
|
Tropical
|
| Kneria polli Trewavas, 1936
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
benthopelagic
|
Tropical
|
| Kneria ruaha Seegers, 1995
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
demersal
|
Tropical
|
| Kneria rukwaensis Seegers, 1995
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
demersal
|
Tropical
|
| Kneria sjolandersi Poll, 1967
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
benthopelagic
|
Tropical
|
| Kneria stappersii Boulenger, 1915
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
benthopelagic
|
Tropical
|
| Kneria uluguru Seegers, 1995
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
demersal
|
Tropical
|
| Kneria wittei Poll, 1944
|
Animalia
|
Chordata
|
Teleostei
|
Gonorynchiformes
|
Kneriidae
|
Kneria
|
benthopelagic
|
Tropical
|
| Knipowitschia byblisia Ahnelt, 2011
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
pelagic
|
Temperate
|
| Knipowitschia cameliae Nalbant & Oţel, 1995
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
brackish
|
Temperate
|
| Knipowitschia caucasica (Berg, 1916)
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
freshwater
|
Temperate
|
| Knipowitschia caunosi Ahnelt, 2011
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
benthopelagic
|
Temperate
|
| Knipowitschia croatica Mrakovcic, Kerovec, Misetic & Schneider, 1996
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
demersal
|
Subtropical
|
| Knipowitschia ephesi Ahnelt, 1995
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
demersal
|
Subtropical
|
| Knipowitschia goerneri Ahnelt, 1991
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
demersal
|
Subtropical
|
| Knipowitschia iljini Berg, 1931
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
brackish
|
Temperate
|
| Knipowitschia longecaudata (Kessler, 1877)
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
freshwater
|
Temperate
|
| Knipowitschia mermere Ahnelt, 1995
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
brackish
|
Temperate
|
| Knipowitschia milleri (Ahnelt & Bianco, 1990)
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
demersal
|
Subtropical
|
| Knipowitschia montenegrina Kovačić & Šanda, 2007
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
demersal
|
Temperate
|
| Knipowitschia mrakovcici Miller, 2009
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
demersal
|
Temperate
|
| Knipowitschia panizzae (Verga, 1841)
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
brackish
|
Subtropical
|
| Knipowitschia punctatissima (Canestrini, 1864)
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
demersal
|
Temperate
|
| Knipowitschia radovici Kovačić, 2005
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
demersal
|
Temperate
|
| Knipowitschia thessala (Vinciguerra, 1921)
|
Animalia
|
Chordata
|
Teleostei
|
Gobiiformes
|
Gobiidae
|
Knipowitschia
|
demersal
|
Temperate
|
| Knodus borki Zarske, 2008
|
Animalia
|
Chordata
|
Teleostei
|
Characiformes
|
Characidae
|
Knodus
|
benthopelagic
|
Tropical
|
| Knodus breviceps (Eigenmann, 1908)
|
Animalia
|
Chordata
|
Teleostei
|
Characiformes
|
Characidae
|
Knodus
|
benthopelagic
|
Tropical
|
| Knodus caquetae Fowler, 1945
|
Animalia
|
Chordata
|
Teleostei
|
Characiformes
|
Characidae
|
Knodus
|
benthopelagic
|
Tropical
|
| Knodus chapadae (Fowler, 1906)
|
Animalia
|
Chordata
|
Teleostei
|
Characiformes
|
Characidae
|
Knodus
|
benthopelagic
|
Subtropical
|