| Hệ sinh thái | Dạng (Kiểu) | Hiện trạng | Tài liệu tham khảo |
|---|---|---|---|
| Chesapeake Bay | Sea/Bay/Gulf | Native | 93252 |
| Great Lakes | Lake | native | 5723 |
| Mississippi River | River (basin) | native | 5723 |
| Missouri River | River (basin) | native | 78789 |
| Nearctic | Zoogeographic realm | endemic | 5723 |
| Rio Grande | River (basin) | native | 78807 |