| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Amur | River (basin) | questionable | 51717 |
| Doo-man | River (basin) | questionable | 51717 |
| Pacific Ocean | Sea/Bay/Gulf | native | 26334 |
| Palearctic | Zoogeographic realm | endemic | 26334 |
| Sakhalin Island | River (basin) | native | 58299 |
| Sea of Japan/East Sea | Sea/Bay/Gulf | native | 26334 |
| Sumjin | River (basin) | native | 58345 |