| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Congo | River (basin) | questionable | 51193 |
| Ethiopian | Zoogeographic realm | endemic | 27896 |
| Kienke | River (basin) | native | 81644 |
| Lobé | River (basin) | native | 81644 |
| Ntem | River (basin) | native | 81644 |
| Nyong | River (basin) | native | 81644 |
| Ogowe | River (basin) | native | 81644 |
| Sanaga | River (basin) | questionable | 51193 |
| Sangha | River (basin) | questionable | 51193 |