| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Arabian Sea | Sea/Bay/Gulf | native | 2850 |
| Central Indian Ocean Islands | sea/bay/gulf | native | 2850 |
| Easter Island | Sea/Bay/Gulf | native | 91134 |
| Easter Island - province | Sea/Bay/Gulf | native | 91134 |
| Gulf of Aden | Sea/Bay/Gulf | native | 2861 |
| Indian Ocean | Sea/Bay/Gulf | native | 2855 |
| Maldives | Sea/Bay/Gulf | native | 2850 |
| Nicoya | Sea/Bay/Gulf | native | 83921 |
| Pacific Ocean | Sea/Bay/Gulf | native | 91134 |
| Red Sea | Sea/Bay/Gulf | native | 2861 |
| Red Sea and Gulf of Aden | sea/bay/gulf | native | 2861 |
| South China Sea | Sea/Bay/Gulf | native | 2850 |
| Tropical Atlantic | sea/bay/gulf | native | 83921 |
| Tropical East Pacific | sea/bay/gulf | native | 83921 |
| Tropical Eastern Pacific | sea/bay/gulf | native | 83921 |
| Western Indo-Pacific | sea/bay/gulf | native | 2850 |