| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Adriatic Sea | Sea/Bay/Gulf | native | 124582 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 124582 |
| Baltic Sea | Sea/Bay/Gulf | native | 124582 |
| Black Sea | Sea/Bay/Gulf | native | 124582 |
| Caspian Sea | Lake | native | 124582 |
| East China Sea | Sea/Bay/Gulf | native | 124582 |
| Ionian Sea | Sea/Bay/Gulf | native | 124582 |
| Kamchatka | Sea/Bay/Gulf | native | 124582 |
| Kuriles Islands | Sea/Bay/Gulf | native | 124582 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 124582 |
| North Sea | Sea/Bay/Gulf | native | 124582 |
| Pacific Ocean | Sea/Bay/Gulf | native | 124582 |
| Sea of Japan/East Sea | Sea/Bay/Gulf | native | 124582 |
| West Bering Sea | Sea/Bay/Gulf | native | 124582 |
| White Sea | Sea/Bay/Gulf | native | 121739 |
| Yellow Sea | Sea/Bay/Gulf | native | 124582 |