| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Arkansas River | River (basin) | native | 5723 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 7251 |
| Celestún Biosphere Reserve | Sea/Bay/Gulf | native | 74908 |
| Chesapeake Bay | Sea/Bay/Gulf | Native | 93252 |
| Gulf of Maine | Sea/Bay/Gulf | native | 86779 |
| Gulf of Mexico | Sea/Bay/Gulf | native | 5723 |
| Mississippi River | River (basin) | native | 10294 |
| Nearctic | Zoogeographic realm | endemic | 5723 |
| Northeast U.S. Continental Shelf | Sea/Bay/Gulf | native | 5723 |
| Rio Grande | River (basin) | native | 5723 |
| Southeast U.S. Continental Shelf | Sea/Bay/Gulf | native | 7251 |