Dodatak:Popis ribljih vrsta, Ka

Rod Kajikia Hirasaka & H. Nakamura, 1947

1. Kajikia albida (Poey, 1860)
2. Kajikia audax (Philippi, 1887)

Pisces → Actinopterygii → Perciformes → Istiophoridae

Rod Kali

1. Kali colubrina Melo, 2008
2. Kali falx Melo, 2008
3. Kali indica Lloyd, 1909
4. Kali kerberti (Weber, 1913)
5. Kali macrodon (Norman, 1929)
6. Kali macrura (Parr, 1933)
7. Kali parri Johnson & Cohen, 1974

Actinopterygii > Perciformes > Chiasmodontidae

Rod Kalimantania Banarescu, 1980

1. Kalimantania lawak (Bleeker, 1855)

Pisces → Actinopterygii → Cypriniformes → Cyprinidae

Rod Kalyptatherina

1. Kalyptatherina helodes (Ivantsoff & Allen, 1984)

Actinopterygii → Atheriniformes → Telmatherinidae

Rod Kalyptodoras

1. Kalyptodoras bahiensis Higuchi, Britski & Garavello, 1990

Actinopterygii > Siluriformes > Doradidae

Rod Kamoharaia

1. Kamoharaia megastoma (Kamohara, 1936)

Actinopterygii > Pleuronectiformes > Bothidae

Rod Kanekonia

1. Kanekonia florida Tanaka, 1915
2. Kanekonia pelta Poss, 1982
3. Kanekonia queenslandica Whitley, 1952

Actinopterygii > Scorpaeniformes > Aploactinidae

Rod Karalepis

1. Karalepis stewarti Hardy, 1984

Actinopterygii > Perciformes > Tripterygiidae

Rod Karalla

1. Karalla daura (Cuvier, 1829)
2. Karalla dussumieri (Valenciennes, 1835)

Actinopterygii > Perciformes > Leiognathidae

Rod Kareius

1. Kareius bicoloratus (Basilewsky, 1855)

Actinopterygii > Pleuronectiformes > Pleuronectidae

Rod Karsten

1. Karsten totoyensis (Garman, 1903)

Actinopterygii > Perciformes > Gobiidae

Rod Kasatkia

1. Kasatkia memorabilis Soldatov & Pavlenko, 1916
2. Kasatkia seigeli Posner & Lavenberg, 1999

Actinopterygii → Perciformes → Stichaeidae

Rod Kathala

1. Kathala axillaris (Cuvier, 1830)

Actinopterygii → Perciformes → Sciaenidae

Rod Kathetostoma

1. Kathetostoma albigutta Bean, 1892
2. Kathetostoma averruncus Jordan & Bollman, 1890
3. Kathetostoma binigrasella Gomon & Roberts, 2011
4. Kathetostoma canaster Gomon & Last, 1987
5. Kathetostoma cubana Barbour, 1941
6. Kathetostoma fluviatilis Hutton, 1872
7. Kathetostoma giganteum Haast, 1873
8. Kathetostoma laeve (Bloch & Schneider, 1801)
9. Kathetostoma nigrofasciatum Waite & McCulloch, 1915

Actinopterygii > Perciformes > Uranoscopidae

Rod Katibasia

1. Katibasia insidiosa Kottelat, 2004

Actinopterygii > Cypriniformes > Balitoridae

Rod Katria

1. Katria katria (Reinthal & Stiassny, 1997)

Actinopterygii > Perciformes > Cichlidae

Rod Katsuwonus

1. Katsuwonus pelamis (Linnaeus, 1758)

Actinopterygii → Perciformes → Scombridae

Rod Kaupichthys 6 vrsta

1. Kaupichthys atronasus Schultz, 1953
2. Kaupichthys brachychirus Schultz, 1953
3. Kaupichthys diodontus Schultz, 1943
4. Kaupichthys hyoproroides (Strömman, 1896)
5. Kaupichthys japonicus Matsubara & Asano, 1960
6. Kaupichthys nuchalis Böhlke, 1967

Actinopterygii > Anguilliformes > Chlopsidae

Rod Kaupus

1. Kaupus costatus (Waite & Hale, 1921)

Actinopterygii → Syngnathiformes → Syngnathidae