| परितंत्र | प्रकार | दर्जा | संदर्भ |
|---|---|---|---|
| Arctic | Sea/Bay/Gulf | native | 120663 |
| Arctic - province | Sea/Bay/Gulf | native | 120663 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 96235 |
| Baltic Sea | Sea/Bay/Gulf | native | 96235 |
| North Sea | Sea/Bay/Gulf | native | 83653 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 83653 |