n = 6
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Piaractus brachipomus | (Cuvier, 1818) | Piaractus brachypomus | Serrasalmidae | Pirapitinga |
| Piaractus brachypomus | (Cuvier, 1818) | Piaractus brachypomus | Serrasalmidae | Pirapitinga |
| Piaractus briachypumus | (Cuvier, 1818) | Piaractus brachypomus | Serrasalmidae | Pirapitinga |
| Piaractus macropomus | (Cuvier, 1816) | Colossoma macropomum | Serrasalmidae | Cachama |
| Piaractus mesopotamicus | (Holmberg, 1887) | Piaractus mesopotamicus | Serrasalmidae | Pacu |
| Piaractus orinoquensis | Escobar L., Ota, Machado-Allison, Andrade-López, Farias & Hrbek, 2019 | Piaractus orinoquensis | Serrasalmidae |