| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Colorado River | River (basin) | native | 38738 |
| Columbia | River (basin) | native | 5723 |
| Fraser | River (basin) | native | 78809 |
| Missouri River | River (basin) | introduced | 86798 |
| Nass River | River (basin) | native | 86798 |
| Nearctic | Zoogeographic realm | endemic | 5723 |
| Peace | River (basin) | native | 86798 |