| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 90046 |
| Magellanic | sea/bay/gulf | native | 90046 |
| Malvinas/Falklands | Sea/Bay/Gulf | native | 90046 |
| Pacific Ocean | Sea/Bay/Gulf | native | 90046 |
| Patagonian Shelf | Sea/Bay/Gulf | native | 90046 |
| Temperate South America | sea/bay/gulf | native | 1202 |
| Tristan Gough | Sea/Bay/Gulf | native | 90046 |
| Tristan Gough - province | Sea/Bay/Gulf | native | 90046 |