| Tetragonopterus | |
|---|---|
| |
| Tetragonopterus argenteus in Peru | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Characiformes |
| Family: | Characidae |
| Genus: | Tetragonopterus G. Cuvier, 1816 |
| Type species | |
| Tetragonopterus argenteus G. Cuvier, 1816
| |
Tetragonopterus is a genus of fish in the family Characidae native to South America.