| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Adriatic Sea | Sea/Bay/Gulf | native | 124700 |
| Aegean Sea | Sea/Bay/Gulf | native | 114530 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 96235 |
| Baltic Sea | Sea/Bay/Gulf | native | 128574 |
| Black Sea | Sea/Bay/Gulf | native | 124704 |
| German Bight | Sea/Bay/Gulf | native | 2711 |
| Gulf of Tunis | Sea/Bay/Gulf | native | 124701 |
| Levantine Sea | Sea/Bay/Gulf | native | 114530 |
| Lusitanian | sea/bay/gulf | native | 2778 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 2684 |
| North Sea | Sea/Bay/Gulf | native | 83653 |
| North-Western Black Sea coast | Sea/Bay/Gulf | native | 124704 |
| Northern European Seas | Sea/Bay/Gulf | native | 2711 |
| Northern Norway and Finnmark | Sea/Bay/Gulf | native | 124698 |
| Norwegian Sea | Sea/Bay/Gulf | native | 124705 |
| Sea of Marmara | Sea/Bay/Gulf | native | 114530 |
| South European Atlantic Shelf | Sea/Bay/Gulf | native | 124703 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 2684 |
| Western Mediterranean | Sea/Bay/Gulf | native | 124701 |
| Western Turkey | River (basin) | native | 114530 |