| エコシステム | タイプ | 地位 | 参照 |
|---|---|---|---|
| Great Lakes | Lake | native | 5723 |
| Mississippi River | River (basin) | native | 41482 |
| Missouri River | River (basin) | native | 78789 |
| Nearctic | Zoogeographic realm | endemic | 5723 |
| Nelson-Saskatchewan | River (basin) | native | 78981 |
| St. Lawrence | River (basin) | native | 5723 |