| परितंत्र | प्रकार | दर्जा | संदर्भ | 
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 271 | 
| Baltic Sea | Sea/Bay/Gulf | introduced | 104343 | 
| Carolinian | Sea/Bay/Gulf | introduced | 84920 | 
| Chesapeake Bay | Sea/Bay/Gulf | native | 104336 | 
| Cold Temperate Northwest Atlantic | sea/bay/gulf | introduced | 104334 | 
| Gulf of Mexico | Sea/Bay/Gulf | native | 271 | 
| Hudson River | River (basin) | native | 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) | native | 104334 | 
| Southern Gulf of Mexico | Sea/Bay/Gulf | native | 271 | 
| Temperate Northern Atlantic | sea/bay/gulf | native | 104336 | 
| Tropical Atlantic | sea/bay/gulf | native | 271 | 
| Virginian | Sea/Bay/Gulf | introduced | 104334 | 
| Warm Temperate Northwest Atlantic | sea/bay/gulf | native | 104336 |