| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Academician Berg | Seamount | questionable | 33779 |
| Aegean Sea | Sea/Bay/Gulf | native | 113897 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 247 |
| Balearic Islands | Sea/Bay/Gulf | native | 95765 |
| Benguela Current | Sea/Bay/Gulf | native | 247 |
| Black Sea | Sea/Bay/Gulf | native | 57855 |
| Canary Current | Sea/Bay/Gulf | native | 247 |
| Colahan Seamount | Seamount | questionable | 33779 |
| Corsica Island | Sea/Bay/Gulf | native | 96325 |
| Crete Island | Sea/Bay/Gulf | native | 113897 |
| Equator Seamount | Seamount | questionable | 33779 |
| Guinea Current | Sea/Bay/Gulf | native | 247 |
| Hancock Northwest Seamount | Seamount | questionable | 33779 |
| Hancock Southeast Seamount | Seamount | questionable | 33779 |
| Iberian Coastal | Sea/Bay/Gulf | native | 247 |
| Indian Ocean | Sea/Bay/Gulf | questionable | 247 |
| Ionian Sea | Sea/Bay/Gulf | native | 113897 |
| Kammu Seamount | Seamount | questionable | 50765 |
| Karandash Seamount | Seamount | questionable | 33779 |
| Kimmei and Koko Seamounts | Seamount | questionable | 33779 |
| Levantine Sea | Sea/Bay/Gulf | native | 104125 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 41523 |
| Milwaukee Group Seamount | Seamount | questionable | 33779 |
| Nero Seamount | Seamount | questionable | 50612 |
| North Aegean | Sea/Bay/Gulf | native | 113897 |
| North Brazil Shelf | Sea/Bay/Gulf | questionable | 13608 |
| Pacific Ocean | Sea/Bay/Gulf | questionable | 247 |
| Sardinia Island | Sea/Bay/Gulf | native | 13729 |
| Saronikos Gulf | Sea/Bay/Gulf | native | 113897 |
| Sea of Marmara | Sea/Bay/Gulf | native | 57855 |
| Sicily Island | Sea/Bay/Gulf | native | 13729 |
| South Aegean | Sea/Bay/Gulf | native | 113897 |
| South China Sea | Sea/Bay/Gulf | questionable | 36648 |
| Thermaikos Gulf | Sea/Bay/Gulf | native | 113897 |
| Turnif Seamount | Seamount | questionable | 33779 |
| Yellow Sea | Sea/Bay/Gulf | questionable | 247 |
| Zapadnaya Seamount | Seamount | native | 35722 |