| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 12951 |
| Chesapeake Bay | Sea/Bay/Gulf | Native | 93252 |
| Gulf of Mexico | Sea/Bay/Gulf | native | 26340 |
| Laguna de Términos | Lagoon | native | 79080 |
| Mississippi River | River (basin) | native | 12951 |
| Nearctic | Zoogeographic realm | endemic | 7251 |
| Southeast U.S. Continental Shelf | Sea/Bay/Gulf | native | 6902 |