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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
Arabian Himri
Carasobarbus apoensis
Cyprinidae
Endangered
Arabibarbus Arabicus
Arabibarbus arabicus
Cyprinidae
Least Concern
Arabibarbus Hadhrami
Arabibarbus hadhrami
Cyprinidae
Aracu
Laemolyta proxima
Anostomidae
Least Concern
Aracu-pau-de-vaqueiro
Rhytiodus argenteofuscus
Anostomidae
Least Concern
Araguaia cory
Hoplisoma araguaiaense
Least Concern
Araguaia toothcarp
Phalloceros leticiae
Poeciliidae
Data Deficient
Araiocypris Batodes
Araiocypris batodes
Aral barbel
Luciobarbus brachycephalus
Cyprinidae
Endangered
Edible
Aranayaka danio
Devario memorialis
Cyprinidae
Arapaima
Arapaima gigas
Arapaimidae
Data Deficient
Edible
Arapaima Agassizii
Arapaima agassizii
Arapaimidae
Data Deficient
Arapaima Arapaima
Arapaima arapaima
Arapaimidae
Arapaima Leptosoma
Arapaima leptosoma
Arapaimidae
Data Deficient
Arapaima Mapae
Arapaima mapae
Arapaimidae
Data Deficient
Aras loach
Oxynoemacheilus araxensis
Nemacheilidae
Data Deficient
Arawana
Osteoglossum bicirrhosum
Osteoglossidae
Least Concern
Edible
Archolaemus Blax
Archolaemus blax
Sternopygidae
Least Concern
Archolaemus Ferreirai
Archolaemus ferreirai
Sternopygidae
Least Concern
Archolaemus Janeae
Archolaemus janeae
Sternopygidae
Least Concern
Archolaemus Luciae
Archolaemus luciae
Sternopygidae
Least Concern
Archolaemus Orientalis
Archolaemus orientalis
Sternopygidae
Data Deficient
Archolaemus Santosi
Archolaemus santosi
Sternopygidae
Vulnerable
Arctic grayling
Thymallus arcticus
Salmonidae
Least Concern
Arfak rainbowfish
Melanotaenia arfakensis
Melanotaeniidae
Endangered
Argentine humphead
Gymnogeophagus balzanii
Cichlidae
Least Concern
Edible
Argentine pearlfish
Austrolebias bellottii
Rivulidae
Near Threatened
Edible
Argentinian toothcarp
Phallotorynus victoriae
Poeciliidae
Least Concern
Argolebias Adrianae
Argolebias adrianae
Argolebias Guarani
Argolebias guarani
Argolebias Paranaensis
Argolebias paranaensis
Data Deficient
Argonectes Longiceps
Argonectes longiceps
Hemiodontidae
Least Concern
Argonectes Robertsi
Argonectes robertsi
Hemiodontidae
Least Concern
Argopleura Chocoensis
Argopleura chocoensis
Stevardiidae
Least Concern
Argopleura Conventus
Argopleura conventus
Stevardiidae
Data Deficient
Argopleura Diquensis
Argopleura diquensis
Stevardiidae
Least Concern
Argopleura Magdalenensis
Argopleura magdalenensis
Stevardiidae
Least Concern
Arinos cory
Hoplisoma apiaka
Least Concern
Arius Acutirostris
Arius acutirostris
Ariidae
Least Concern
Arius Brunellii
Arius brunellii
Ariidae
Arius Burmanicus
Arius burmanicus
Ariidae
Least Concern
Arius Festinus
Arius festinus
Ariidae
Critically Endangered
Arius Macracanthus
Arius macracanthus
Ariidae
Arius Nudidens
Arius nudidens
Ariidae
Arius Uncinatus
Arius uncinatus
Ariidae
Critically Endangered
Arkansas darter
Etheostoma cragini
Percidae
Near Threatened
Arkansas River shiner
Alburnops girardi
Vulnerable
Arkansas saddled darter
Etheostoma euzonum
Percidae
Least Concern