| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Danube | River (basin) | native | 5723 |
| Great Lakes | Lake | native | 5723 |
| Lohjanjärvi | Lake | introduced | 59043 |
| Mackenzie | River (basin) | native | 78981 |
| Mississippi River | River (basin) | native | 5723 |
| Nearctic | Zoogeographic realm | endemic | 5723 |
| Nelson-Saskatchewan | River (basin) | native | 78981 |
| Palearctic | Zoogeographic realm | introduced | 5723 |