| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 188 |
| Chesapeake Bay | Sea/Bay/Gulf | Native | 93252 |
| Great Lakes | Lake | native | 78811 |
| Gulf of Mexico | Sea/Bay/Gulf | native | 27549 |
| Mississippi River | River (basin) | native | 78789 |
| Missouri River | River (basin) | native | 78789 |
| Nearctic | Zoogeographic realm | native | 188 |
| Neotropical | Zoogeographic realm | native | 27158 |
| Northeast U.S. Continental Shelf | Sea/Bay/Gulf | native | 37032 |
| Rio Grande | River (basin) | native | 78807 |
| St. Lawrence | River (basin) | native | 78811 |
| Waccamaw | Lake | native | 35360 |