| 生态系 | 类型 | 状态 | 参考文献 |
|---|---|---|---|
| Colorado River | River (basin) | endemic | 5723 |
| Great Lakes | Lake | endemic | 5723 |
| Mississippi River | River (basin) | endemic | 5723 |
| Missouri River | River (basin) | native | 78789 |
| Nearctic | Zoogeographic realm | endemic | 5723 |
| Rio Grande | River (basin) | introduced | 79012 |
| Tennessee River | River (basin) | endemic | 10294 |