| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 33971 | IN | | Lake Michigan area? (northwest part of state) | 1992 | 04190000 | Lake Michigan | established |
| 34046 | IN | | Lake Michigan | 1956 | 04190000 | Lake Michigan | established |
| 33824 | IN | | Lake Michigan | 1985 | 04190000 | Lake Michigan | established |
| 1555691 | IN | Lake | [No locality description provided] | 2013 | 04190000 | Lake Michigan | established |
| 1555696 | IN | Lake | [No locality description provided] | 2013 | 04190000 | Lake Michigan | established |
| 1560810 | IN | Lake | [No locality description provided] | 2014 | 04190000 | Lake Michigan | established |
| 1560806 | IN | Lake | [No locality description provided] | 2014 | 04190000 | Lake Michigan | established |
| 1878156 | IN | Lake | Calumet, Lake Michigan | 2010 | 04190000 | Lake Michigan | established |
Citation for this information:
U.S. Geological Survey, 2025,
Alosa pseudoharengus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/5/2025