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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
Whitefin pupfish
Cyprinodon albivelis
Cyprinodontidae
Data Deficient
Whitehead's sawtooth pellonuline
Potamothrissa whiteheadi
Dorosomatidae
Data Deficient
Wuendsch's killi
Aphyosemion wuendschi
Nothobranchiidae
Data Deficient
Xenobarbus Loveridgei
Xenobarbus loveridgei
Data Deficient
Xenocypris Hupeinensis
Xenocypris hupeinensis
Cyprinidae
Data Deficient
Xenotilapia Albini
Xenotilapia albini
Cichlidae
Data Deficient
Xenotilapia Nasus
Xenotilapia nasus
Cichlidae
Data Deficient
Xiphophorus Kallmani
Xiphophorus kallmani
Poeciliidae
Data Deficient
Xiurenbagrus Xiurenensis
Xiurenbagrus xiurenensis
Amblycipitidae
Data Deficient
Xyliphius Anachoretes
Xyliphius anachoretes
Data Deficient
Xyliphius Kryptos
Xyliphius kryptos
Data Deficient
Xyliphius Sofiae
Xyliphius sofiae
Data Deficient
Yao mosquitofish
Gambusia monticola
Poeciliidae
Data Deficient
Yasuhikotakia Longidorsalis
Yasuhikotakia longidorsalis
Botiidae
Data Deficient
Yellow cichlid
Thorichthys helleri
Cichlidae
Data Deficient
Yellow head cory
Brochis cryptica
Data Deficient
Yellow swordtail
Xiphophorus clemenciae
Poeciliidae
Data Deficient
Edible
Yellowfin gambusia
Gambusia alvarezi
Poeciliidae
Data Deficient
Yellowhump eartheater
Geophagus pellegrini
Cichlidae
Data Deficient
Edible
Yirrkala Gjellerupi
Yirrkala gjellerupi
Ophichthidae
Data Deficient
Yirrkala Kaupii
Yirrkala kaupii
Ophichthidae
Data Deficient
Yunnanilus Forkicaudalis
Yunnanilus forkicaudalis
Nemacheilidae
Data Deficient
Yunnanilus Parvus
Yunnanilus parvus
Nemacheilidae
Data Deficient
Zaireichthys Compactus
Zaireichthys compactus
Amphiliidae
Data Deficient
Zaireichthys Flavomaculatus
Zaireichthys flavomaculatus
Amphiliidae
Data Deficient
Zaireichthys Mandevillei
Zaireichthys mandevillei
Amphiliidae
Data Deficient
Zaireichthys Zonatus
Zaireichthys zonatus
Amphiliidae
Data Deficient
Zona
Rheocles pellegrini
Bedotiidae
Data Deficient
似鲮小鳔鮈
Microphysogobio labeoides
Gobionidae
Data Deficient
异颌棱唇条鳅
Sectoria heterognathos
Nemacheilidae
Data Deficient
海南鳅鮀
Gobiobotia kolleri
Gobionidae
Data Deficient
缺须墨头鱼
Garra imberba
Cyprinidae
Data Deficient
銀鮈
Squalidus argentatus
Cyprinidae
Data Deficient
長腹沙鰍
Sinibotia longiventralis
Botiidae
Data Deficient