| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Congo | River (basin) | native | 46233 |
| Ethiopian | Zoogeographic realm | endemic | 3818 |
| Kienke | River (basin) | native | 81646 |
| Kouilou-Niari | River (basin) | native | 92841 |
| Lokoundje | River (basin) | native | 81646 |
| Mbini | River (basin) | native | 81646 |
| Ntem | River (basin) | native | 81646 |
| Nyong | River (basin) | native | 81646 |
| Ogowe | River (basin) | native | 81646 |
| Sanaga | River (basin) | native | 81646 |
| Sangha | River (basin) | native | 81646 |