| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Amapá coast | River (basin) | native | 87186 |
| Amazon | River (basin) | native | 79891 |
| Marañón | River (basin) | native | 124043 |
| Negro | River (basin) | native | 124043 |
| Neotropical | Zoogeographic realm | endemic | 12225 |
| Orinoco | River (basin) | native | 79891 |
| São Francisco | River (basin) | native | 79891 |
| Tapajós | River (basin) | native | 87186 |
| Xingu | River (basin) | native | 124043 |