| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aegean Sea | Sea/Bay/Gulf | native | 2684 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 8593 |
| Baltic Sea | Sea/Bay/Gulf | native | 96235 |
| Celtic-Biscay Shelf | Sea/Bay/Gulf | native | 96498 |
| Cold Temperate Northeast Pacific | sea/bay/gulf | introduced | 74657 |
| Cold Temperate Northwest Atlantic | sea/bay/gulf | introduced | 83434 |
| Lusitanian | sea/bay/gulf | introduced | 83434 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 2754 |
| North Sea | Sea/Bay/Gulf | native | 88171 |
| Northern European Seas | Sea/Bay/Gulf | native | 8593 |
| Oregon, Washington, Vancouver Coast and Shelf | Sea/Bay/Gulf | introduced | 83434 |
| Puget Sound | Sea/Bay/Gulf | native | 94854 |
| Puget Trough/Georgia Basin | Sea/Bay/Gulf | native | 94854 |
| Saharan Upwelling | Sea/Bay/Gulf | native | 74416 |
| Salish Sea | Sea/Bay/Gulf | native | 94854 |
| Sea of Marmara | Sea/Bay/Gulf | native | 80598 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 2754 |
| Temperate Northern Pacific | sea/bay/gulf | introduced | 74657 |
| Tunisian Plateau/Gulf of Sidra | Sea/Bay/Gulf | native | 74416 |
| Virginian | Sea/Bay/Gulf | introduced | 83434 |
| Western Mediterranean | Sea/Bay/Gulf | native | 74416 |