| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Amur | River (basin) | native | 26334 |
| Indigirka River | River (basin) | native | 82587 |
| Kara River | River (basin) | native | 82587 |
| Kolyma | River (basin) | native | 26334 |
| Palearctic | Zoogeographic realm | endemic | 26334 |
| Sakhalin Island | River (basin) | native | 58299 |