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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
Osteochilus Partilineatus
Osteochilus partilineatus
Cyprinidae
Near Threatened
Osteochilus Pentalineatus
Osteochilus pentalineatus
Cyprinidae
Least Concern
Osteochilus Repang
Osteochilus repang
Cyprinidae
Data Deficient
Osteochilus Sarawakensis
Osteochilus sarawakensis
Cyprinidae
Data Deficient
Osteochilus Scapularis
Osteochilus scapularis
Cyprinidae
Least Concern
Osteochilus Serokan
Osteochilus serokan
Cyprinidae
Data Deficient
Osteochilus Sondhii
Osteochilus sondhii
Cyprinidae
Osteochilus Spilurus
Osteochilus spilurus
Cyprinidae
Least Concern
Osteochilus Striatus
Osteochilus striatus
Cyprinidae
Data Deficient
Osteochilus Vittatoides
Osteochilus vittatoides
Cyprinidae
Least Concern
Osteochilus Waandersii
Osteochilus waandersii
Cyprinidae
Least Concern
Osteogaster Hephaestus
Osteogaster hephaestus
Vulnerable
Osteogaster Maclurei
Osteogaster maclurei
Osteogaster Oharai
Osteogaster oharai
Othonocheirodus Eigenmanni
Othonocheirodus eigenmanni
Least Concern
Otjikoto tilapia
Tilapia guinasana
Cichlidae
Critically Endangered
Otocinclus Arnoldi
Otocinclus arnoldi
Loricariidae
Least Concern
Otocinclus Batmani
Otocinclus batmani
Loricariidae
Least Concern
Otocinclus Bororo
Otocinclus bororo
Loricariidae
Least Concern
Otocinclus Caxarari
Otocinclus caxarari
Loricariidae
Least Concern
Otocinclus Hasemani
Otocinclus hasemani
Loricariidae
Least Concern
Otocinclus Hoppei
Otocinclus hoppei
Loricariidae
Least Concern
Otocinclus Huaorani
Otocinclus huaorani
Loricariidae
Least Concern
Otocinclus Juruenae
Otocinclus juruenae
Loricariidae
Data Deficient
Otocinclus Macrospilus
Otocinclus macrospilus
Loricariidae
Least Concern
Otocinclus Mangaba
Otocinclus mangaba
Loricariidae
Data Deficient
Otocinclus Mura
Otocinclus mura
Loricariidae
Least Concern
Otocinclus Tapirape
Otocinclus tapirape
Loricariidae
Least Concern
Otocinclus Xakriaba
Otocinclus xakriaba
Loricariidae
Least Concern
Otopharynx Aletes
Otopharynx aletes
Cichlidae
Otopharynx Alpha
Otopharynx alpha
Cichlidae
Otopharynx Antron
Otopharynx antron
Cichlidae
Least Concern
Otopharynx Lithobates
Otopharynx lithobates
Cichlidae
Least Concern
Otopharynx Mumboensis
Otopharynx mumboensis
Cichlidae
Otopharynx Pachycheilus
Otopharynx pachycheilus
Cichlidae
Vulnerable
Otopharynx Panniculus
Otopharynx panniculus
Cichlidae
Otopharynx Peridodeka
Otopharynx peridodeka
Cichlidae
Otopharynx Spelaeotes
Otopharynx spelaeotes
Cichlidae
Least Concern
Otopharynx Styrax
Otopharynx styrax
Cichlidae
Otothyris Juquiae
Otothyris juquiae
Critically Endangered
Otothyris Rostrata
Otothyris rostrata
Least Concern
Otothyris Travassosi
Otothyris travassosi
Least Concern
Otothyropsis Alicula
Otothyropsis alicula
Least Concern
Otothyropsis Biamnicus
Otothyropsis biamnicus
Least Concern
Otothyropsis Dialeukos
Otothyropsis dialeukos
Otothyropsis Marapoama
Otothyropsis marapoama
Least Concern
Otothyropsis Piribebuy
Otothyropsis piribebuy
Least Concern
Otothyropsis Polyodon
Otothyropsis polyodon
Least Concern