| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Black Sea | Sea/Bay/Gulf | native | 128151 |
| Caucasian Black Sea coast | Sea/Bay/Gulf | native | 593 |
| Don | River (basin) | native | 58293 |
| Kuban River | River (basin) | native | 58296 |
| Palearctic | Zoogeographic realm | endemic | 593 |
| Sea of Azov | Sea/Bay/Gulf | native | 593 |
| Sea of Marmara | Sea/Bay/Gulf | native | 57855 |