| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | introduced | 3477 |
| Celtic-Biscay Shelf | Sea/Bay/Gulf | introduced | 1314 |
| Cold Temperate Northeast Pacific | sea/bay/gulf | native | 2117 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 19 |
| North Sea | Sea/Bay/Gulf | introduced | 3477 |
| Northern European Seas | Sea/Bay/Gulf | introduced | 74657 |
| Pacific Ocean | Sea/Bay/Gulf | native | 1951 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 19 |
| Temperate Northern Pacific | sea/bay/gulf | native | 1951 |