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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
Nothobranchius Rubroreticulatus
Nothobranchius rubroreticulatus
Nothobranchiidae
Near Threatened
Nothobranchius Rungwaensis
Nothobranchius rungwaensis
Nothobranchiidae
Vulnerable
Nothobranchius Ruudwildekampi
Nothobranchius ruudwildekampi
Nothobranchiidae
Vulnerable
Nothobranchius Sagittae
Nothobranchius sagittae
Nothobranchiidae
Endangered
Nothobranchius Sainthousei
Nothobranchius sainthousei
Nothobranchiidae
Endangered
Nothobranchius Seegersi
Nothobranchius seegersi
Nothobranchiidae
Vulnerable
Nothobranchius Serengetiensis
Nothobranchius serengetiensis
Nothobranchiidae
Vulnerable
Nothobranchius Skeltoni
Nothobranchius skeltoni
Nothobranchiidae
Vulnerable
Nothobranchius Sonjae
Nothobranchius sonjae
Nothobranchiidae
Least Concern
Nothobranchius Streltsovi
Nothobranchius streltsovi
Nothobranchiidae
Vulnerable
Nothobranchius Sylvaticus
Nothobranchius sylvaticus
Nothobranchiidae
Critically Endangered
Nothobranchius Symoensi
Nothobranchius symoensi
Nothobranchiidae
Endangered
Nothobranchius Taiti
Nothobranchius taiti
Nothobranchiidae
Endangered
Nothobranchius Torgashevi
Nothobranchius torgashevi
Nothobranchiidae
Vulnerable
Nothobranchius Usanguensis
Nothobranchius usanguensis
Nothobranchiidae
Vulnerable
Nothobranchius Venustus
Nothobranchius venustus
Nothobranchiidae
Vulnerable
Nothobranchius Virgatus
Nothobranchius virgatus
Nothobranchiidae
Least Concern
Nothobranchius Wattersi
Nothobranchius wattersi
Nothobranchiidae
Near Threatened
Notholebias Fractifasciatus
Notholebias fractifasciatus
Rivulidae
Critically Endangered
Notholebias Vermiculatus
Notholebias vermiculatus
Rivulidae
Endangered
Notoglanidium Akiri
Notoglanidium akiri
Claroteidae
Endangered
Notoglanidium Boutchangai
Notoglanidium boutchangai
Claroteidae
Least Concern
Notoglanidium Depierrei
Notoglanidium depierrei
Claroteidae
Data Deficient
Notoglanidium Maculatum
Notoglanidium maculatum
Claroteidae
Vulnerable
Notoglanidium Pallidum
Notoglanidium pallidum
Claroteidae
Vulnerable
Notoglanidium Pembetadi
Notoglanidium pembetadi
Claroteidae
Notoglanidium Thomasi
Notoglanidium thomasi
Claroteidae
Vulnerable
Notoglanidium Walkeri
Notoglanidium walkeri
Claroteidae
Near Threatened
Notropis Imeldae
Notropis imeldae
Cyprinidae
Data Deficient
Noturus Gladiator
Noturus gladiator
Ictaluridae
Near Threatened
Novacula razorbelly minnow
Salmostoma novacula
Cyprinidae
Least Concern
Nueces roundnose minnow
Dionda serena
Cyprinidae
Least Concern
Nukta
Schismatorhynchos nukta
Cyprinidae
Endangered
Nurse tetra
Brycinus nurse
Alestidae
Least Concern
Nurse tetra
Brachyalestes nurse
Least Concern
Nurseryfish
Kurtus gulliveri
Kurtidae
Least Concern
Nyanza barb
Enteromius nyanzae
Cyprinidae
Least Concern
Nzoia barb
Enteromius yongei
Cyprinidae
Least Concern
Oaxaca cichlid
Vieja zonata
Cichlidae
Data Deficient
Oaxaca Killifish
Profundulus oaxacae
Profundulidae
Data Deficient
Oaxaca killifish
Profundulus punctatus
Profundulidae
Data Deficient
Edible
Oaxaca livebearer
Poeciliopsis lutzi
Poeciliidae
Data Deficient
Obama's Teleogramma
Teleogramma obamaorum
Cichlidae
Obbes' catfish
Porochilus obbesi
Plotosidae
Least Concern
Obscure Galaxias
Galaxias oliros
Galaxiidae
Least Concern
Obscure goby
Mugilogobius fusculus
Gobiidae
Least Concern
Obscure swamp eel
Ophisternon aenigmaticum
Synbranchidae
Least Concern
Ocellated killifish
Floridichthys polyommus
Cyprinodontidae
Least Concern