| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Casamance | River (basin) | native | 28149 |
| Cavally | River (basin) | native | 28149 |
| Cess | River (basin) | native | 28149 |
| Congo | River (basin) | questionable | 44840 |
| Corubal | River (basin) | native | 28149 |
| Cross | River (basin) | questionable | 51193 |
| Ethiopian | Zoogeographic realm | endemic | 3188 |
| Gambia | River (basin) | native | 81263 |
| Great Scarcies | River (basin) | native | 28149 |
| Kogon | River (basin) | native | 28149 |
| Konkouré | River (basin) | native | 28149 |
| Moa | River (basin) | native | 28149 |
| Saint Paul | River (basin) | native | 28149 |
| Sangha | River (basin) | questionable | 44840 |
| Sewa | River (basin) | native | 28149 |