| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Chesapeake Bay | Sea/Bay/Gulf | Native | 93252 |
| Escambia River | River (basin) | introduced | 86798 |
| Mississippi River | River (basin) | native | 10294 |
| Missouri River | River (basin) | native | 78789 |
| Nearctic | Zoogeographic realm | native | 276 |
| Neotropical | Zoogeographic realm | native | 6447 |
| Platte River | River (basin) | native | 86798 |
| Rio Grande | River (basin) | native | 78807 |
| Tennessee River | River (basin) | native | 10294 |