| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aegean Sea | Sea/Bay/Gulf | native | 113897 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 188 |
| Benguela Current | Sea/Bay/Gulf | native | 188 |
| Canary Current | Sea/Bay/Gulf | native | 27000 |
| Cape Verde | Sea/Bay/Gulf | native | 94080 |
| Casamance | River (basin) | native | 33587 |
| Crete Island | Sea/Bay/Gulf | native | 113897 |
| Ébrié | Lagoon | native | 101082 |
| Ethiopian | Zoogeographic realm | native | 3509 |
| Gambia | River (basin) | native | 78745 |
| Guinea Current | Sea/Bay/Gulf | native | 188 |
| Gulf of Guinea | sea/bay/gulf | native | 2683 |
| Iberian Coastal | Sea/Bay/Gulf | native | 188 |
| Ionian Sea | Sea/Bay/Gulf | native | 113897 |
| Kienke | River (basin) | native | 3781 |
| Kogon | River (basin) | native | 27167 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 50345 |
| North Aegean | Sea/Bay/Gulf | native | 113897 |
| Ogun | River (basin) | native | 95249 |
| Ouémé | River (basin) | native | 3019 |
| Saloum | River (basin) | native | 97744 |
| Sardinia Island | Sea/Bay/Gulf | native | 13729 |
| Sicily Island | Sea/Bay/Gulf | native | 13729 |
| South Aegean | Sea/Bay/Gulf | native | 113897 |