| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 4127 |
| Bioko | River (basin) | native | 81680 |
| Canary Current | Sea/Bay/Gulf | native | 4127 |
| Chiloango | River (basin) | native | 120641 |
| Congo | River (basin) | native | 86940 |
| Cross | River (basin) | native | 81680 |
| Cuanza | River (basin) | native | 120641 |
| Ébrié | Lagoon | native | 28587 |
| Ethiopian | Zoogeographic realm | endemic | 4127 |
| Fatala | River (basin) | native | 28587 |
| Guinea Current | Sea/Bay/Gulf | native | 4509 |
| Kouilou-Niari | River (basin) | native | 81680 |
| Marine Lower Congo | River (basin) | native | 86940 |
| Ogowe | River (basin) | native | 81680 |
| Sanaga | River (basin) | native | 81680 |