| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aegean Sea | Sea/Bay/Gulf | native | 114530 |
| Arctic | Sea/Bay/Gulf | introduced | 1667 |
| Arctic - province | Sea/Bay/Gulf | introduced | 1667 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 1667 |
| Baltic Sea | Sea/Bay/Gulf | native | 95556 |
| Bermuda | Sea/Bay/Gulf | native | 83435 |
| Cold Temperate Northeast Pacific | sea/bay/gulf | introduced | 1667 |
| East Bering Sea | Sea/Bay/Gulf | introduced | 1667 |
| Eastern Bering Sea | Sea/Bay/Gulf | introduced | 1667 |
| Gulf of Mexico | Sea/Bay/Gulf | native | 1667 |
| Levantine Sea | Sea/Bay/Gulf | native | 114530 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 85339 |
| North Sea | Sea/Bay/Gulf | native | 3477 |
| Pacific Ocean | Sea/Bay/Gulf | introduced | 1667 |
| Sea of Marmara | Sea/Bay/Gulf | native | 114530 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 85339 |
| Temperate Northern Pacific | sea/bay/gulf | introduced | 1667 |
| Tropical Atlantic | sea/bay/gulf | native | 83435 |
| Tropical East Pacific | sea/bay/gulf | introduced | 1667 |
| Western Turkey | River (basin) | native | 114530 |