| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Great Lakes | Lake | native | 10443 |
| Hudson Bay Complex | River (basin) | native | 89241 |
| Mississippi River | River (basin) | native | 78789 |
| Missouri River | River (basin) | native | 86798 |
| Nearctic | Zoogeographic realm | endemic | 5723 |
| St. Lawrence | River (basin) | native | 5723 |
| Tennessee River | River (basin) | native | 10294 |