| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Adriatic Sea | Sea/Bay/Gulf | native | 114200 |
| Aegean Sea | Sea/Bay/Gulf | native | 112576 |
| Alboran Sea | Sea/Bay/Gulf | native | 112576 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 434 |
| Azores Canaries Madeira | Sea/Bay/Gulf | native | 114206 |
| Azores Islands | Sea/Bay/Gulf | native | 114206 |
| Baltic Sea | Sea/Bay/Gulf | native | 96235 |
| Black Sea | Sea/Bay/Gulf | native | 128128 |
| Black Sea - province | Sea/Bay/Gulf | native | 128128 |
| English Channel | Sea/Bay/Gulf | native | 114203 |
| Iberian Coastal | Sea/Bay/Gulf | native | 114189 |
| Irish Sea | Sea/Bay/Gulf | native | 114189 |
| Levantine Sea | Sea/Bay/Gulf | native | 112576 |
| Lusitanian | sea/bay/gulf | native | 2845 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 2845 |
| North Sea | Sea/Bay/Gulf | native | 3477 |
| Northern European Seas | Sea/Bay/Gulf | native | 114197 |
| Saharan Upwelling | Sea/Bay/Gulf | native | 434 |
| Sahelian Upwelling | Sea/Bay/Gulf | native | 434 |
| Sardinia Island | Sea/Bay/Gulf | native | 114204 |
| Sea of Marmara | Sea/Bay/Gulf | native | 128128 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 2845 |
| Tropical Atlantic | sea/bay/gulf | native | 434 |
| Tunisian Plateau/Gulf of Sidra | Sea/Bay/Gulf | native | 2845 |
| Tyrrhenian Sea | Sea/Bay/Gulf | native | 114202 |
| West African Transition | sea/bay/gulf | native | 434 |
| Western Mediterranean | Sea/Bay/Gulf | native | 2845 |