| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 96235 |
| Baltic Sea | Sea/Bay/Gulf | native | 128574 |
| German Bight | Sea/Bay/Gulf | introduced | 3700 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 85340 |
| North Sea | Sea/Bay/Gulf | introduced | 3700 |
| Northern European Seas | Sea/Bay/Gulf | introduced | 3700 |
| Temperate Northern Atlantic | sea/bay/gulf | introduced | 3700 |