| Ekosystem | Typ | Status | Ref. |
|---|---|---|---|
| Casamance | River (basin) | native | 33587 |
| Corubal | River (basin) | native | 13331 |
| Ethiopian | Zoogeographic realm | endemic | 33587 |
| Gambia | River (basin) | native | 13331 |
| Géba | River (basin) | native | 13331 |
| Great Scarcies | River (basin) | native | 13331 |
| Kogon | River (basin) | native | 13331 |
| Konkouré | River (basin) | native | 13331 |
| Little Scarcies | River (basin) | native | 13331 |
| Moa | River (basin) | native | 13331 |
| Niger | River (basin) | native | 13331 |
| Pampana | River (basin) | native | 91031 |
| Rokel | River (basin) | native | 13331 |