| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 276820 | MN | St. Louis | St. Louis River at Lake Superior | 2006 | 04010201 | St. Louis | established |
| 1658401 | MN | St. Louis | St. Louis - Superior Bays | 2017 | 04010201 | St. Louis | established |
| 1658439 | MN | St. Louis | MN, St. Louis Co., derived from map in report | 2016 | 04010201 | St. Louis | established |
| 1906578 | MN | St. Louis | Lake Superior, at St. Louis River, MN/WI | 2011 | 04010201 | St. Louis | |
| 1910573 | MN | St. Louis | Lake Superior, at St. Louis River, MN/WI | 2021 | 04010201 | St. Louis | |
| 1910780 | MN | St. Louis | Lake Superior, at St. Louis River, MN/WI | 2021 | 04010201 | St. Louis | |
| 1916658 | MN | St. Louis | Lake Superior, at St. Louis River, MN/WI | 2023 | 04010201 | St. Louis | |
| 1922588 | MN | St. Louis | Lake Superior, at St. Louis River, MN/WI | 2025 | 04010201 | St. Louis | |
| 1922649 | MN | St. Louis | Lake Superior, at St. Louis River, MN/WI | 2025 | 04010201 | St. Louis | |
Citation for this information:
U.S. Geological Survey, 2026,
Alosa pseudoharengus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 4/10/2026