| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 256132 | MI | Ontonagon | Lake Superior at Cranberry River, SW of Ontonagon, MI | 1964 | 04020101 | Black-Presque Isle | established |
| 256158 | MI | Ontonagon | Lake Superior at mouth of Potato River, SW of Ontonagon, MI | 1959 | 04020101 | Black-Presque Isle | established |
| 256173 | MI | Ontonagon | Lake Superior at Floodwood River, SW of Ontonagon, MI | 1985 | 04020101 | Black-Presque Isle | established |
| 1710597 | MI | Ontonagon | one mile upstream at Cranberry River | 1955 | 04020101 | Black-Presque Isle | |
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