| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Congo | River (basin) | questionable | 51193 |
| Ethiopian | Zoogeographic realm | endemic | 3236 |
| Kouilou-Niari | River (basin) | native | 92841 |
| Mbini | River (basin) | native | 78218 |
| Ntem | River (basin) | native | 81642 |
| Sangha | River (basin) | questionable | 51193 |