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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