Tetragonopterus argenteus
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Characiformes
- family: Characidae
- genus: Tetragonopterus
- species: Tetragonopterus argenteus
Corumbá
Mato Grosso do Sul
Brazil
Boca Suno
Orellana
Ecuador
Villa Hayes
Presidente Hayes
Paraguay
Iquitos
Orellana
Pebas
Yurimaguas
Loreto
Peru
Bruzual
San Fernando Apure
Apure
Venezuela