| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Benue | River (basin) | native | 57415 |
| Bioko | River (basin) | native | 81678 |
| Chad | River (basin) | native | 57415 |
| Chari-Logone | River (basin) | native | 57415 |
| Congo | River (basin) | questionable | 81678 |
| Cross | River (basin) | native | 57415 |
| Dibamba | River (basin) | native | 81678 |
| Ethiopian | Zoogeographic realm | endemic | 7394 |
| Kienke | River (basin) | native | 81678 |
| Kwa-Ibo | River (basin) | native | 57415 |
| Lobé | River (basin) | native | 81678 |
| Lokoundje | River (basin) | native | 81678 |
| Lower Niger | River (basin) | native | 57415 |
| Niger | River (basin) | native | 57415 |
| Niger Delta | River (basin) | native | 57415 |
| Nyong | River (basin) | native | 81678 |
| Ogun | River (basin) | native | 57415 |
| Ouémé | River (basin) | native | 57415 |
| Rio del Rey | River (basin) | native | 81678 |
| Sanaga | River (basin) | native | 81678 |
| Sangha | River (basin) | questionable | 46252 |
| Wouri | River (basin) | native | 81678 |