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Freshwater Fish Species
All freshwater fish species found in rivers, lakes, streams, and ponds worldwide. From tiny tetras to the giant arapaima — covering every continent.
18,067
Total Species
1,926
Endangered (EN+CR)
1,910
Edible Species
204
Families
Karstsinnectes Anophthalmus
Karstsinnectes anophthalmus
Karstsinnectes Hyalinus
Karstsinnectes hyalinus
Karstsinnectes Parvus
Karstsinnectes parvus
Karun barbel
Barbus karunensis
Cyprinidae
Kasawala
Oreochromis squamipinnis
Cichlidae
Critically Endangered
Edible
Kasenye lampeye
Lacustricola kassenjiensis
Poeciliidae
Data Deficient
Kashgarian loach
Hedinichthys yarkandensis
Nemacheilidae
Least Concern
Edible
Katavi mouthbrooder
Haplochromis katavi
Cichlidae
Vulnerable
Kathetostoma Fluviatilis
Kathetostoma fluviatilis
Uranoscopidae
Katibasia Insidiosa
Katibasia insidiosa
Least Concern
Katrana
Rheocles alaotrensis
Bedotiidae
Endangered
Kavirondo barb
Enteromius sexradiatus
Cyprinidae
Data Deficient
Keletaona's Goby
Stenogobius keletaona
Gobiidae
Vulnerable
Kentucky darter
Etheostoma rafinesquei
Percidae
Least Concern
Keppi
Sarotherodon lohbergeri
Cichlidae
Critically Endangered
Kerala beauty
Hypselobarbus nitidus
Cyprinidae
Kerala mystus
Mystus armatus
Bagridae
Least Concern
Edible
Kern brook lamprey
Occidentis hubbsi
Vulnerable
Kersin barbell
Luciobarbus kersin
Cyprinidae
Data Deficient
Kessler's gudgeon
Romanogobio kesslerii
Cyprinidae
Least Concern
Kessler's loach
Paraschistura kessleri
Nemacheilidae
Least Concern
Kessler's sculpin
Leocottus kesslerii
Cottocomephoridae
Least Concern
Keyhole cichlid
Cleithracara maronii
Cichlidae
Least Concern
Khadary-whitefish
Coregonus chadary
Salmonidae
Least Concern
Khandalla minnow
Parapsilorhynchus tentaculatus
Cyprinidae
Least Concern
Khanka gudgeon
Squalidus chankaensis
Cyprinidae
Least Concern
Khanka spiny bitterling
Acanthorhodeus chankaensis
Cyprinidae
Least Concern
Edible
Khasi garra
Garra nasuta
Cyprinidae
Least Concern
Khavalchor catfish
Pachypterus khavalchor
Sisoridae
Data Deficient
Khavli barb
Puntius sahyadriensis
Cyprinidae
Least Concern
Edible
Khwae Badis
Badis khwae
Badidae
Least Concern
Kiamichi shiner
Miniellus ortenburgeri
Data Deficient
Kibiti Lampeye
Lacustricola lacustris
Poeciliidae
Vulnerable
Kibonde
Chrysichthys brachynema
Bagridae
Least Concern
Edible
Kichulchoia Brevifasciata
Kichulchoia brevifasciata
Cobitidae
Vulnerable
Kijimuna goby
Lentipes kijimuna
Gobiidae
Kikambala nothobranch
Nothobranchius interruptus
Nothobranchiidae
Endangered
Edible
Kikori River Sole
Leptachirus kikori
Data Deficient
Killarney shad
Alosa killarnensis
Alosidae
Vulnerable
Edible
Killifish
Fundulus lima
Fundulidae
Endangered
Killifish
Moema hellneri
Rivulidae
Endangered
Kimberley archerfish
Toxotes kimberleyensis
Toxotidae
Least Concern
Kimberley grunter
Syncomistes kimberleyensis
Terapontidae
Least Concern
Kimberley mogurnda
Mogurnda oligolepis
Eleotridae
Least Concern
Kimberley spangled perch
Leiopotherapon macrolepis
Terapontidae
Least Concern
Edible
Kindia killi
Scriptaphyosemion cauveti
Nothobranchiidae
Vulnerable
King bagrid
Mystus bocourti
Bagridae
Vulnerable
King tiger pleco
Hypancistrus seideli
Loricariidae
Edible