| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Antarctica | Sea/Bay/Gulf | native | 86525 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 115910 |
| Indian Ocean | Sea/Bay/Gulf | native | 86525 |
| South Georgia | Sea/Bay/Gulf | native | 115910 |
| South Shetland Islands | Sea/Bay/Gulf | native | 1680 |
| Southern Ocean | sea/bay/gulf | native | 1680 |
| Tristan Gough | Sea/Bay/Gulf | native | 87394 |
| Tristan Gough - province | Sea/Bay/Gulf | native | 87394 |