| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aegean Sea | Sea/Bay/Gulf | native | 2754 |
| Arctic | Sea/Bay/Gulf | native | 3448 |
| Arctic - province | Sea/Bay/Gulf | native | 3448 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 3446 |
| Baffin Bay | Sea/Bay/Gulf | native | 3448 |
| Baffin Bay - Davis Strait | Sea/Bay/Gulf | native | 3448 |
| Baltic Sea | Sea/Bay/Gulf | native | 96235 |
| Beaufort Sea | Sea/Bay/Gulf | native | 3448 |
| Beaufort Sea - continental coast and shelf | Sea/Bay/Gulf | native | 3448 |
| Caribbean Sea | Sea/Bay/Gulf | native | 19 |
| Central Arctic | Sea/Bay/Gulf | native | 124008 |
| Gulf of Mexico | Sea/Bay/Gulf | native | 104365 |
| Hudson Bay Complex | Sea/Bay/Gulf | native | 3448 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 2754 |
| North Greenland | Sea/Bay/Gulf | native | 3446 |
| Northern European Seas | Sea/Bay/Gulf | native | 8593 |
| Sea of Marmara | Sea/Bay/Gulf | native | 2754 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 2754 |
| Tropical Northwestern Atlantic | sea/bay/gulf | native | 19 |