| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 1744 |
| Bassian | Sea/Bay/Gulf | native | 87398 |
| Benguela | sea/bay/gulf | native | 1756 |
| Indian Ocean | Sea/Bay/Gulf | native | 2585 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 1756 |
| Pacific Ocean | Sea/Bay/Gulf | native | 1756 |
| South Sandwich Islands | Sea/Bay/Gulf | native | 1744 |
| Southern Ocean | sea/bay/gulf | native | 1744 |
| Tasman Sea | Sea/Bay/Gulf | native | 1744 |
| Temperate Australasia | sea/bay/gulf | native | 1756 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 1756 |
| Tristan Gough | Sea/Bay/Gulf | native | 1756 |
| Tristan Gough - province | Sea/Bay/Gulf | native | 1756 |
| Weddell Sea | Sea/Bay/Gulf | native | 1662 |