| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aegean Sea | Sea/Bay/Gulf | native | 113897 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 5990 |
| Balearic Islands | Sea/Bay/Gulf | native | 95727 |
| Canary Current | Sea/Bay/Gulf | native | 5990 |
| Corsica Island | Sea/Bay/Gulf | native | 96325 |
| Crete Island | Sea/Bay/Gulf | native | 113897 |
| Iberian Coastal | Sea/Bay/Gulf | native | 40227 |
| Ionian Sea | Sea/Bay/Gulf | native | 113897 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 683 |
| North Aegean | Sea/Bay/Gulf | native | 113897 |
| Saloum | River (basin) | native | 57391 |
| Sardinia Island | Sea/Bay/Gulf | native | 13729 |
| Sicily Island | Sea/Bay/Gulf | native | 13729 |
| South Aegean | Sea/Bay/Gulf | native | 113897 |
| Tagus | River (basin) | native | 51031 |