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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
Ocellated labyrinth fish
Ctenopoma muriei
Anabantidae
Least Concern
Ocellated pufferfish
Leiodon cutcutia
Tetraodontidae
Least Concern
Ocellated snakehead
Channa pleurophthalma
Channidae
Near Threatened
Edible
Ocellated spiny eel
Mastacembelus vanderwaali
Mastacembelidae
Least Concern
Ochmacanthus Batrachostomus
Ochmacanthus batrachostomus
Trichomycteridae
Ochmacanthus Flabelliferus
Ochmacanthus flabelliferus
Trichomycteridae
Ochmacanthus Orinoco
Ochmacanthus orinoco
Trichomycteridae
Least Concern
Ochmacanthus Reinhardtii
Ochmacanthus reinhardtii
Trichomycteridae
Least Concern
Ocmulgee shiner
Cyprinella callisema
Cyprinidae
Least Concern
Odd Astyanax
Bryconamericus uporas
Stevardiidae
Least Concern
Odontesthes Bicudo
Odontesthes bicudo
Atherinopsidae
Endangered
Odontesthes Brevianalis
Odontesthes brevianalis
Atherinopsidae
Vulnerable
Odontesthes Gracilis
Odontesthes gracilis
Atherinopsidae
Data Deficient
Odontesthes Hatcheri
Odontesthes hatcheri
Atherinopsidae
Vulnerable
Odontesthes Humensis
Odontesthes humensis
Atherinopsidae
Least Concern
Odontesthes Mauleanum
Odontesthes mauleanum
Atherinopsidae
Vulnerable
Odontesthes Mirinensis
Odontesthes mirinensis
Atherinopsidae
Least Concern
Odontesthes Orientalis
Odontesthes orientalis
Atherinopsidae
Odontesthes Perugiae
Odontesthes perugiae
Atherinopsidae
Least Concern
Odontesthes Piquava
Odontesthes piquava
Atherinopsidae
Near Threatened
Odontesthes Retropinnis
Odontesthes retropinnis
Atherinopsidae
Data Deficient
Odontesthes Smitti
Odontesthes smitti
Atherinopsidae
Odontesthes Wiebrichi
Odontesthes wiebrichi
Atherinopsidae
Odontesthes Yucuman
Odontesthes yucuman
Atherinopsidae
Odontobutis Haifengensis
Odontobutis haifengensis
Odontobutidae
Least Concern
Odontobutis Interruptus
Odontobutis interruptus
Odontobutidae
Odontobutis Obscurus
Odontobutis obscurus
Odontobutidae
Least Concern
Edible
Odontobutis Platycephala
Odontobutis platycephala
Odontobutidae
Odontobutis Potamophilus
Odontobutis potamophilus
Odontobutidae
Data Deficient
Odontobutis Sinensis
Odontobutis sinensis
Odontobutidae
Odontobutis Yaluensis
Odontobutis yaluensis
Odontobutidae
Odontocharacidium Varii
Odontocharacidium varii
Odontostilbe Avanhandava
Odontostilbe avanhandava
Characidae
Least Concern
Odontostilbe Dialeptura
Odontostilbe dialeptura
Characidae
Near Threatened
Odontostilbe Dierythrura
Odontostilbe dierythrura
Characidae
Least Concern
Odontostilbe Ecuadorensis
Odontostilbe ecuadorensis
Characidae
Least Concern
Odontostilbe Euspilurus
Odontostilbe euspilurus
Characidae
Least Concern
Odontostilbe Fugitiva
Odontostilbe fugitiva
Characidae
Least Concern
Odontostilbe Littoris
Odontostilbe littoris
Characidae
Odontostilbe Microcephala
Odontostilbe microcephala
Characidae
Least Concern
Odontostilbe Mitoptera
Odontostilbe mitoptera
Characidae
Vulnerable
Odontostilbe Nareuda
Odontostilbe nareuda
Characidae
Least Concern
Odontostilbe Pao
Odontostilbe pao
Characidae
Odontostilbe Paraguayensis
Odontostilbe paraguayensis
Characidae
Least Concern
Odontostilbe Parecis
Odontostilbe parecis
Characidae
Least Concern
Odontostilbe Pequira
Odontostilbe pequira
Characidae
Least Concern
Odontostilbe Roloffi
Odontostilbe roloffi
Characidae
Least Concern
Odontostilbe Splendida
Odontostilbe splendida
Characidae
Least Concern