| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 158911 | PA | Erie | Walnut Creek | 2000 | 04120101 | Chautauqua-Conneaut | established |
| 557983 | PA | Erie | Trout Run | 1994 | 04120101 | Chautauqua-Conneaut | established |
| 557985 | PA | Erie | Crooked Creek at RM 0.21 | 1997 | 04120101 | Chautauqua-Conneaut | established |
| 557986 | PA | Erie | West Branch Conneaut Creek at RM 0.29 | 1994 | 04120101 | Chautauqua-Conneaut | established |
| 557987 | PA | Crawford | Conneaut Creek at RM 34.97 | 1993 | 04120101 | Chautauqua-Conneaut | established |
| 1779125 | PA | Erie | [No locality description provided] | 1989 | 04120101 | Chautauqua-Conneaut | |
| 1779126 | PA | Erie | [No locality description provided] | 1991 | 04120101 | Chautauqua-Conneaut | |
| 1795100 | PA | Erie | [No locality description provided] | 2011 | 04120101 | Chautauqua-Conneaut | |
Citation for this information:
U.S. Geological Survey, 2025,
Petromyzon marinus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/15/2025