| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 271 |
| Baltic Sea | Sea/Bay/Gulf | introduced | 104343 |
| Carolinian | Sea/Bay/Gulf | native | 84920 |
| Chesapeake Bay | Sea/Bay/Gulf | native | 104336 |
| Cold Temperate Northwest Atlantic | sea/bay/gulf | native | 104334 |
| Gulf of Mexico | Sea/Bay/Gulf | native | 271 |
| Hudson River | River (basin) | introduced | 76808 |
| North Sea | Sea/Bay/Gulf | introduced | 3477 |
| Northern European Seas | Sea/Bay/Gulf | introduced | 104240 |
| Northern Gulf of Mexico | Sea/Bay/Gulf | native | 104336 |
| Potomac River | River (basin) | introduced | 104334 |
| Southern Gulf of Mexico | Sea/Bay/Gulf | native | 271 |
| Tropical Atlantic | sea/bay/gulf | native | 271 |
| Virginian | Sea/Bay/Gulf | native | 104334 |