| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 241094 | MI | Delta | Lake Michigan in Little Bay de Noc, Escanaba | 2007 | 04190000 | Lake Michigan | established |
| 241096 | MI | Mackinac | Lake Michigan at Naubinway | 2007 | 04190000 | Lake Michigan | established |
| 241100 | MI | Muskegon | Lake Michigan at Muskegon, MI - off the NOAA field station, in the channel | 2007 | 04190000 | Lake Michigan | established |
| 558275 | MI | Charlevoix | Lake Michigan, at Whiskey Point, St. James Harbor, Beaver Island | 2013 | 04190000 | Lake Michigan | established |
| 1884247 | MI | Muskegon | Lake Michigan | 2015 | 04190000 | Lake Michigan | established |
| 1884248 | MI | Muskegon | Lake Michigan | 2015 | 04190000 | Lake Michigan | established |
| 1884249 | MI | Muskegon | Lake Michigan | 2015 | 04190000 | Lake Michigan | established |
| 1884250 | MI | Muskegon | Lake Michigan | 2015 | 04190000 | Lake Michigan | established |
| 1884252 | MI | Muskegon | Lake Michigan | 2015 | 04190000 | Lake Michigan | established |
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: 12/19/2025