| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 188 |
| Colorado River | River (basin) | native | 10294 |
| Gulf of Mexico | Sea/Bay/Gulf | native | 37032 |
| Mississippi River | River (basin) | native | 37032 |
| Missouri River | River (basin) | native | 78789 |
| Nearctic | Zoogeographic realm | endemic | 188 |
| Southeast U.S. Continental Shelf | Sea/Bay/Gulf | native | 7251 |