| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
163633
| ME | | Kennebec River, lower | 2002 |
01050003
| St. George-Sheepscot | established |
|
163632
| ME | | Kennebec River, lower, and Merrymeeting Bay (above Brunswick) | 2001 |
01050003
| St. George-Sheepscot | established |
|
1678308
| ME | Kennebec | [No locality description provided] | 2013 |
01030003
| Lower Kennebec River | |
|
1874882
| ME | Kennebec | [No locality description provided] | 2022 |
01030003
| Lower Kennebec River | |
|
1874883
| ME | Kennebec | [No locality description provided] | 2022 |
01030003
| Lower Kennebec River | |
|
1613845
| ME | Lincoln | Kennebec River, northeast side of Swan Island | 2019 |
01030003
| Lower Kennebec River | established |
|
163631
| ME | Penobscot | commercial American eel tanks in Passadumkeag, adjacent to the Penobscot River north of Old Town | 1980 |
01020005
| Penobscot River | unknown |
|
1874847
| ME | Sagadahoc | [No locality description provided] | 2017 |
01030003
| Lower Kennebec River | |
|
1676868
| ME | Sagadahoc | [No locality description provided] | 2019 |
01050003
| St. George-Sheepscot | |
|
1874726
| ME | Sagadahoc | [No locality description provided] | 2021 |
01050003
| St. George-Sheepscot | |
|
1874782
| ME | Sagadahoc | [No locality description provided] | 2021 |
01040002
| Lower Androscoggin River | |
|
1874801
| ME | Sagadahoc | [No locality description provided] | 2021 |
01040002
| Lower Androscoggin River | |