| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aegean Sea | Sea/Bay/Gulf | native | 113897 |
| Amvrakikos Gulf | Sea/Bay/Gulf | native | 113897 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 3397 |
| Balearic Islands | Sea/Bay/Gulf | native | 95727 |
| Black Sea | Sea/Bay/Gulf | native | 230 |
| Canary Current | Sea/Bay/Gulf | native | 3397 |
| Caspian Sea | Lake | introduced | 39702 |
| Corsica Island | Sea/Bay/Gulf | native | 96325 |
| Crete Island | Sea/Bay/Gulf | native | 113897 |
| Evvoikos Gulf | Sea/Bay/Gulf | native | 113897 |
| Iberian Coastal | Sea/Bay/Gulf | native | 40227 |
| Ionian Sea | Sea/Bay/Gulf | native | 113897 |
| Kuban River | River (basin) | native | 58296 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 230 |
| North Aegean | Sea/Bay/Gulf | native | 113897 |
| Pagassitikos Gulf | Sea/Bay/Gulf | native | 113897 |
| Sardinia Island | Sea/Bay/Gulf | native | 13729 |
| Sea of Marmara | Sea/Bay/Gulf | native | 57855 |
| Sicily Island | Sea/Bay/Gulf | native | 13729 |
| South Aegean | Sea/Bay/Gulf | native | 113897 |
| Thermaikos Gulf | Sea/Bay/Gulf | native | 113897 |