| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Adriatic Sea | Sea/Bay/Gulf | introduced | 125654 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 96235 |
| Baltic Sea | Sea/Bay/Gulf | native | 125656 |
| German Bight | Sea/Bay/Gulf | native | 125661 |
| Mediterranean Sea | Sea/Bay/Gulf | introduced | 84253 |
| North Sea | Sea/Bay/Gulf | native | 125661 |
| Northern European Seas | Sea/Bay/Gulf | native | 125661 |
| Pacific Ocean | Sea/Bay/Gulf | questionable | 1663 |
| Sea of Marmara | Sea/Bay/Gulf | introduced | 120495 |