| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Amur | River (basin) | native | 58298 |
| Chukchi Sea | Sea/Bay/Gulf | native | 121277 |
| Kara River | River (basin) | native | 59043 |
| Nakdong | River (basin) | native | 58345 |
| Nearctic | Zoogeographic realm | native | 27547 |
| Palearctic | Zoogeographic realm | native | 33312 |
| Sakhalin Island | River (basin) | native | 58299 |
| Yukon | River (basin) | native | 41671 |