Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
4368
| CT | | coastal areas | 1940 |
02030203
| Long Island Sound | established |
887097
| CT | Fairfield | Off Stratford, shallow water, from boat | 2008 |
02030203
| Long Island Sound | established |
154676
| CT | Middlesex | Eastern Long Island Sound (quantitative surveys from west to east along the northern coast of LIS) | 1996 |
02030203
| Long Island Sound | established |
154675
| CT | New Haven | Central Long Island Sound (quantitative surveys from west to east along the northern coast of LIS) | 1996 |
02030203
| Long Island Sound | established |
4870
| CT | New Haven | Long Island Sound drainage | 1874 |
02030203
| Long Island Sound | established |
4181
| CT | New Haven | Long Island Sound near New Haven, CT (just south of East Haven) | 1996 |
02030203
| Long Island Sound | established |
155595
| CT | New Haven | Long Island Sound, Milford | 1997 |
02030203
| Long Island Sound | established |
155593
| CT | New Haven | Long Island Sound, New Haven | 1997 |
02030203
| Long Island Sound | established |
887102
| CT | New Haven | Outer Island | 1902 |
02030203
| Long Island Sound | established |
155587
| CT | New London | Long Island Sound, Groton | 1997 |
02030203
| Long Island Sound | established |
155589
| CT | New London | Long Island Sound, Niantic Harbor | 1997 |
02030203
| Long Island Sound | established |
155585
| CT | New London | Long Island Sound, Stonington | 1997 |
02030203
| Long Island Sound | established |