| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Adriatic Sea | Sea/Bay/Gulf | native | 117304 |
| Aegean Sea | Sea/Bay/Gulf | native | 128128 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 3477 |
| Azores Canaries Madeira | Sea/Bay/Gulf | introduced | 3512 |
| Black Sea | Sea/Bay/Gulf | native | 128128 |
| Black Sea - province | Sea/Bay/Gulf | native | 128128 |
| Lusitanian | sea/bay/gulf | introduced | 3512 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 3512 |
| North Sea | Sea/Bay/Gulf | native | 3477 |
| Sea of Marmara | Sea/Bay/Gulf | native | 128128 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 8224 |