| Country | Locality | Introduced | Year | Qualitative Value | Ref. |
|---|---|---|---|---|---|
| United States (contiguous states) | Brewer South Freeport ME | 2003 - | absent | 84102 | |
| United States (contiguous states) | Cape Ann Marina | 2000 - | absent | 84102 | |
| United States (contiguous states) | Gloucester State Pier | 2000 - | absent | 84102 | |
| United States (contiguous states) | Gulf of Maine, inferred MA | - | very common | 84099 | |
| United States (contiguous states) | Gulf of Maine, inferred ME | - | very common | 84099 | |
| United States (contiguous states) | Gulf of Maine, inferred NH | - | very common | 84099 | |
| United States (contiguous states) | Hampton State Pier | 2003 - | absent | 84102 | |
| United States (contiguous states) | Hawthorne Cove Marina | 2003 - | absent | 84102 | |
| United States (contiguous states) | Hawthorne Marina | 2000 - | absent | 84102 | |
| Canada | Nova Scotia, Gulf of Maine, Nova Scotia | - | very common | 84099 | |
| United States (contiguous states) | Port Harbor Marine | 2003 - | absent | 84102 | |
| United States (contiguous states) | Portland Yacht Services | 2003 - | absent | 84102 | |
| United States (contiguous states) | RI | - | rare | 84118 | |
| United States (contiguous states) | Rowes Wharf | 2003 - | absent | 84102 | |
| United States (contiguous states) | Sandwich Marina | 2000 - | absent | 84102 | |
| United States (contiguous states) | Tucks Marina | 2000 - | absent | 84102 | |
| United States (contiguous states) | UNH Coastal Marine Lab/Coast Guard | 2003 - | absent | 84102 |