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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
Hypsolebias Harmonicus
Hypsolebias harmonicus
Rivulidae
Vulnerable
Hypsolebias Janaubensis
Hypsolebias janaubensis
Rivulidae
Critically Endangered
Hypsolebias Longignatus
Hypsolebias longignatus
Rivulidae
Vulnerable
Hypsolebias Lopesi
Hypsolebias lopesi
Rivulidae
Vulnerable
Hypsolebias Lulai
Hypsolebias lulai
Rivulidae
Hypsolebias Macaubensis
Hypsolebias macaubensis
Rivulidae
Endangered
Hypsolebias Magnificus
Hypsolebias magnificus
Rivulidae
Endangered
Hypsolebias Marginatus
Hypsolebias marginatus
Rivulidae
Critically Endangered
Hypsolebias Martinsi
Hypsolebias martinsi
Rivulidae
Endangered
Hypsolebias Mediopapillatus
Hypsolebias mediopapillatus
Rivulidae
Vulnerable
Hypsolebias Negobispoi
Hypsolebias negobispoi
Rivulidae
Hypsolebias Nitens
Hypsolebias nitens
Rivulidae
Least Concern
Hypsolebias Nudiorbitatus
Hypsolebias nudiorbitatus
Rivulidae
Data Deficient
Hypsolebias Pterophyllus
Hypsolebias pterophyllus
Rivulidae
Least Concern
Hypsolebias Radiosus
Hypsolebias radiosus
Rivulidae
Data Deficient
Hypsolebias Radiseriatus
Hypsolebias radiseriatus
Rivulidae
Endangered
Hypsolebias Sertanejo
Hypsolebias sertanejo
Rivulidae
Least Concern
Hypsolebias Shibattai
Hypsolebias shibattai
Rivulidae
Critically Endangered
Hypsolebias Splendissimus
Hypsolebias splendissimus
Rivulidae
Critically Endangered
Hypsolebias Tocantinensis
Hypsolebias tocantinensis
Rivulidae
Critically Endangered
Hypsolebias Trifasciatus
Hypsolebias trifasciatus
Rivulidae
Data Deficient
Hypsopanchax Jobaerti
Hypsopanchax jobaerti
Poeciliidae
Least Concern
Hypsopanchax Stiassnyae
Hypsopanchax stiassnyae
Poeciliidae
Hyrtl's catfish
Neosilurus hyrtlii
Plotosidae
Least Concern
Hysteronotus Megalostomus
Hysteronotus megalostomus
Least Concern
Iberian barbel
Luciobarbus comizo
Cyprinidae
Near Threatened
Iberian nase
Pseudochondrostoma polylepis
Cyprinidae
Vulnerable
Iberochondrostoma Almacai
Iberochondrostoma almacai
Endangered
Iberochondrostoma Lemmingii
Iberochondrostoma lemmingii
Near Threatened
Iberochondrostoma Lusitanicum
Iberochondrostoma lusitanicum
Near Threatened
Iberochondrostoma Olisiponense
Iberochondrostoma olisiponense
Endangered
Iberochondrostoma Oretanum
Iberochondrostoma oretanum
Endangered
Iberocypris Palaciosi
Iberocypris palaciosi
Icana cory
Brochis incolicana
Data Deficient
Ichthyborus Besse
Ichthyborus besse
Distichodontidae
Least Concern
Ichthyborus Congolensis
Ichthyborus congolensis
Distichodontidae
Ichthyborus Ornatus
Ichthyborus ornatus
Distichodontidae
Least Concern
Ichthyoelephas Longirostris
Ichthyoelephas longirostris
Prochilodontidae
Vulnerable
Ictalurus Nazas
Ictalurus nazas
Ictaluridae
Ide
Leuciscus idus
Cyprinidae
Least Concern
Edible
Idenburg tandan
Neosilurus idenburgi
Plotosidae
Least Concern
Idukki Mystus
Mystus menoni
Bagridae
Igarapé catfish
Lepthoplosternum stellatum
Callichthyidae
Least Concern
Iguaçu livebearer
Jenynsia diphyes
Anablepidae
Endangered
Iguanodectes Adujai
Iguanodectes adujai
Iguanodectidae
Least Concern
Iguanodectes Geisleri
Iguanodectes geisleri
Iguanodectidae
Least Concern
Iguanodectes Gracilis
Iguanodectes gracilis
Iguanodectidae
Least Concern
Iguanodectes Polylepis
Iguanodectes polylepis
Iguanodectidae
Data Deficient