Argentina
Checklist of Endemic Freshwater Fish Species
This list of freshwater fish species found exclusively in Argentina is based on the taxonomy used in Eschmeyer's Catalog of Fishes (2023). For further details on possible inaccuracies in the list see Sources & Caveats.
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds) 2023 Catalog of Fishes: Genera, Species, References. Version downloaded 9 February 2023 https://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp
The current version can be accessed here
+ = species added to the Catalog of Fishes after 9 Februrary 2023
Percichthys colhuapiensis (Centrarchiformes Percichthyidae) Largemouth Perch
Percichthys laevis
(Centrarchiformes Percichthyidae)
Schizodon succinctus
(Characiformes Anostomidae)
Andromakhe latens
(Characiformes Characidae)
Andromakhe paris
(Characiformes Characidae)
Andromakhe tupi
(Characiformes Characidae)
Astyanax aramburui
(Characiformes Characidae)
Astyanax cordovae
(Characiformes Characidae)
Bryconamericus agna
(Characiformes Characidae)
Bryconamericus eigenmanni
(Characiformes Characidae)
Bryconamericus mennii
(Characiformes Characidae)
Bryconamericus sylvicola
(Characiformes Characidae)
Bryconamericus ytu
(Characiformes Characidae)
Diapoma nandi (Characiformes Characidae)
Diapoma obi (Characiformes Characidae)
Gymnocharacinus bergii
(Characiformes Characidae) Naked Characin
Hemigrammus matei
(Characiformes Characidae) False Head and Tail
Tetra
Hyphessobrycon auca
(Characiformes Characidae)
Hyphessobrycon isiri
(Characiformes Characidae)
Hyphessobrycon nicolasi
(Characiformes Characidae)
Hyphessobrycon wajat
(Characiformes Characidae)
Oligosarcus amome
(Characiformes Characidae)
Oligosarcus itau
(Characiformes Characidae)
Oligosarcus menezesi
(Characiformes Characidae)
Psalidodon chico
(Characiformes Characidae)
Psalidodon correntinus
(Characiformes Characidae)
Psalidodon endy
(Characiformes Characidae)
Psalidodon hermosus
(Characiformes Characidae)
Psalidodon ita
(Characiformes Characidae)
Psalidodon leonidas
(Characiformes Characidae)
Psalidodon ojiara
(Characiformes Characidae)
Psalidodon pampa
(Characiformes Characidae)
Psalidodon powelli
(Characiformes Characidae)
Psalidodon puka
(Characiformes Characidae)
Psalidodon pynandi
(Characiformes Characidae)
Psalidodon troya
(Characiformes Characidae)
Psalidodon tumbayaensis
(Characiformes Characidae)
Tetragonopterus signatus
(Characiformes Characidae)
Characidium borellii
(Characiformes Crenuchidae)
Serrasalmus auriventris
(Characiformes Serrasalmidae)
Australoheros tembe
(Cichliformes Cichlidae)
Australoheros ykeregua
(Cichliformes Cichlidae)
Crenicichla ama + (Cichliformes Cichlidae)
Crenicichla aravera + (Cichliformes Cichlidae)
Crenicichla hu
(Cichliformes Cichlidae)
Crenicichla yaha
(Cichliformes Cichlidae)
Crenicichla yjhui
(Cichliformes Cichlidae)
Crenicichla ypo
(Cichliformes Cichlidae)
Gymnogeophagus che
(Cichliformes Cichlidae)
Jenynsia luxata
(Cyprinodontiformes Anablepidae)
Jenynsia maculata
(Cyprinodontiformes Anablepidae)
Jenynsia obscura
(Cyprinodontiformes Anablepidae)
Jenynsia sulfurica
(Cyprinodontiformes Anablepidae)
Jenynsia tucumana
(Cyprinodontiformes Anablepidae)
Cnesterodon pirai
(Cyprinodontiformes Poeciliidae) Almeida Toothcarp
Argolebias adrianae + (Cyprinodontiformes Rivulidae)
Austrolebias guarani + (Cyprinodontiformes Rivulidae)
Austrolebias nonoiuliensis
(Cyprinodontiformes Rivulidae)
Austrolebias patriciae
(Cyprinodontiformes Rivulidae)
Austrolebias robustus
(Cyprinodontiformes Rivulidae)
Austrolebias toba
(Cyprinodontiformes Rivulidae)
Austrolebias wichi
(Cyprinodontiformes Rivulidae)
Papiliolebias hatinne
(Cyprinodontiformes Rivulidae)
Bagrus tucumanus
(Siluriformes Bagridae)
Corydoras gladysae
(Siluriformes Callichthyidae)
Corydoras micracanthus
(Siluriformes Callichthyidae)
Corydoras microcephalus
(Siluriformes Callichthyidae)
Corydoras petracinii
(Siluriformes Callichthyidae) Petracini's Cory
Diplomystes cuyanus
(Siluriformes Diplomystidae)
Diplomystes mesembrinus
(Siluriformes Diplomystidae)
Heptapterus mandimbusu
(Siluriformes Heptapteridae)
Heptapterus mbya
(Siluriformes Heptapteridae)
Heptapterus qenqo
(Siluriformes Heptapteridae)
Rhamdella aymarae
(Siluriformes Heptapteridae)
Rhamdella cainguae
(Siluriformes Heptapteridae)
Brochiloricaria chauliodon
(Siluriformes Loricariidae)
Farlowella azpelicuetae
(Siluriformes Loricariidae)
Hisonotus hungy
(Siluriformes Loricariidae)
Hypostomus arecuta
(Siluriformes Loricariidae)
Hypostomus itacua
(Siluriformes Loricariidae)
Hypostomus paranensis
(Siluriformes Loricariidae)
Rineloricaria
catamarcensis (Siluriformes Loricariidae)
Cambeva ytororo
(Siluriformes Trichomycteridae)
Silvinichthys bortayro
(Siluriformes Trichomycteridae)
Silvinichthys gualcamayo
(Siluriformes Trichomycteridae)
Silvinichthys huachi
(Siluriformes Trichomycteridae)
Silvinichthys leoncitensis
(Siluriformes Trichomycteridae)
Silvinichthys mendozensis
(Siluriformes Trichomycteridae)
Silvinichthys pachonensis
(Siluriformes Trichomycteridae)
Silvinichthys
pedernalensis (Siluriformes Trichomycteridae)
Trichomycterus belensis
(Siluriformes Trichomycteridae)
Trichomycterus
catamarcensis (Siluriformes Trichomycteridae)
Trichomycterus hualco
(Siluriformes Trichomycteridae)
Trichomycterus minus
(Siluriformes Trichomycteridae)
Trichomycterus puna + (Siluriformes Trichomycteridae)
Trichomycterus ramosus
(Siluriformes Trichomycteridae)
Trichomycterus riojanus
(Siluriformes Trichomycteridae)
Trichomycterus tenuis
(Siluriformes Trichomycteridae)
Trichomycterus varii
(Siluriformes Trichomycteridae)
Trichomycterus yuska
(Siluriformes Trichomycteridae)