| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 1328469 | MI | Mackinac | McKay Bay in the Les Cheneaux Islands (about 4 mi east of Cedarville on the Upper Peninsula) | 2016 | 04240002 | Lake Huron | established |
| 268866 | MI | Alpena | Thunder Bay near LaFarge Cement Plant [Alpena] on three reefs | 2010 | 04240002 | Lake Huron | collected |
| 1322465 | MI | Presque Isle | Lake Huron between Rogers City and Adams Point | 2015 | 04240002 | Lake Huron | unknown |
| 1409644 | MI | Mackinac | McKay Bay | 2016 | 04240002 | Lake Huron | established |
| 1711737 | MI | Alpena | Thunder Bay Shores marina | 2020 | 04240002 | Lake Huron | |
Citation for this information:
U.S. Geological Survey, 2025,
Hemimysis anomala: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/18/2025