Red-bellied piranha
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Characiformes
- family: Serrasalmidae
- genus: Pygocentrus
- species: Pygocentrus nattereri
San Pedro
Santa Cruz
BoliviaVilla Hayes
Presidente Hayes
ParaguayIquitos
Pebas
Yurimaguas
Loreto
Peru