| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Amur | River (basin) | native | 58298 |
| Doo-man | River (basin) | questionable | 51717 |
| Lake Biwa | Lake | native | 78994 |
| Nakdong | River (basin) | native | 12218 |
| Pacific Ocean | Sea/Bay/Gulf | native | 1739 |
| Palearctic | Zoogeographic realm | endemic | 1739 |
| Sakhalin Island | River (basin) | native | 58299 |
| Sea of Okhotsk | Sea/Bay/Gulf | native | 50550 |