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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
Knodus Meridae
Knodus meridae
Stevardiidae
Near Threatened
Knodus Mizquae
Knodus mizquae
Stevardiidae
Data Deficient
Knodus Moenkhausii
Knodus moenkhausii
Stevardiidae
Least Concern
Knodus Orteguasae
Knodus orteguasae
Stevardiidae
Data Deficient
Knodus Pasco
Knodus pasco
Stevardiidae
Least Concern
Knodus Savannensis
Knodus savannensis
Stevardiidae
Least Concern
Knodus Septentrionalis
Knodus septentrionalis
Stevardiidae
Least Concern
Knodus Shinahota
Knodus shinahota
Stevardiidae
Critically Endangered
Knodus Smithi
Knodus smithi
Stevardiidae
Least Concern
Knodus Tanaothoros
Knodus tanaothoros
Stevardiidae
Least Concern
Knodus Tiquiensis
Knodus tiquiensis
Stevardiidae
Least Concern
Knodus Victoriae
Knodus victoriae
Stevardiidae
Least Concern
Knodus Weitzmani
Knodus weitzmani
Stevardiidae
Least Concern
Knodus Ytuanama
Knodus ytuanama
Stevardiidae
Knoepffler's Elephantfish
Boulengeromyrus knoepffleri
Mormyridae
Least Concern
Knout goby
Mesogobius batrachocephalus
Gobiidae
Least Concern
Kokoda glass perchlet
Tetracentrum caudovittatus
Ambassidae
Critically Endangered
Kokoda mogurnda
Mogurnda lineata
Eleotridae
Endangered
Kokraimoro tube-snouted ghost knifefish
Sternarchorhynchus kokraimoro
Apteronotidae
Vulnerable
Kokuni
Chrysichthys cranchii
Bagridae
Least Concern
Kola rainbowfish
Melanotaenia kolaensis
Melanotaeniidae
Least Concern
Kolpotocheirodon Figueiredoi
Kolpotocheirodon figueiredoi
Critically Endangered
Kolpotocheirodon Theloura
Kolpotocheirodon theloura
Near Threatened
Kolus
Hypselobarbus kolus
Cyprinidae
Vulnerable
Kongoro lampeye
Lacustricola kongoranensis
Poeciliidae
Least Concern
Konti barb
Osteochilichthys thomassi
Least Concern
Konye
Konia eisentrauti
Cichlidae
Critically Endangered
Kor scraper
Capoeta macrolepis
Cyprinidae
Koragu tank goby
Glossogobius koragensis
Gobiidae
Least Concern
Korean bittering
Tanakia signifer
Cyprinidae
Korean Bullhead
Tachysurus sinensis
Bagridae
Least Concern
Korean lamprey
Eudontomyzon morii
Petromyzontidae
Least Concern
Korean stumpy bullhead
Coreobagrus brevicorpus
Bagridae
Vulnerable
Koreocobitis Naktongensis
Koreocobitis naktongensis
Korhi barb
Hypselobarbus micropogon
Cyprinidae
Endangered
Edible
Korogwe tilapia
Oreochromis korogwe
Cichlidae
Least Concern
Kosciuszko Galaxias
Galaxias supremus
Galaxiidae
Critically Endangered
Koshi Nangra
Nangra assamensis
Least Concern
Kosogol grayling
Thymallus nigrescens
Salmonidae
Kosswig's barb
Carasobarbus kosswigi
Cyprinidae
Vulnerable
Kosswig's loach
Turcinoemacheilus kosswigi
Nemacheilidae
Least Concern
Kottelat rasbora
Rasbora hobelmani
Cyprinidae
Edible
Kottelatia Brittani
Kottelatia brittani
Least Concern
Kottelatlimia Hipporhynchos
Kottelatlimia hipporhynchos
Cobitidae
Least Concern
Kottelatlimia Katik
Kottelatlimia katik
Cobitidae
Least Concern
Kottelatlimia Pristes
Kottelatlimia pristes
Cobitidae
Vulnerable
Kreiser's Killifish
Profundulus kreiseri
Profundulidae
Vulnerable
Kribi killi
Fundulopanchax fallax
Nothobranchiidae
Endangered
Edible