| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Black Sea | Sea/Bay/Gulf | native | 2058 |
| Danube | River (basin) | native | 59043 |
| Dnester | River (basin) | native | 59043 |
| Dnieper & South Bug drainage | River (basin) | native | 59043 |
| Palearctic | Zoogeographic realm | endemic | 4537 |
| Sea of Azov | Sea/Bay/Gulf | native | 2058 |