| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 266628 | MI | Wayne | Detroit River, near western Grosse Isle pay bridge | 1987 | 04090004 | Detroit | collected |
| 1402788 | MI | Wayne | DETROIT RIVER | 2013 | 04090004 | Detroit | established |
| 1913937 | MI | Wayne | Lake Erie, at Detroit River, MI/ON | 2022 | 04090004 | Detroit | |
| 1913979 | MI | Wayne | Lake Erie, at Detroit River, MI/ON | 2022 | 04090004 | Detroit | |
| 1914046 | MI | Wayne | Lake Erie, at Detroit River, MI/ON | 2022 | 04090004 | Detroit | |
| 1919783 | MI | Wayne | Lake Erie, at Detroit River, MI/ON | 2024 | 04090004 | Detroit | |
| 1919812 | MI | Wayne | Lake Erie, at Detroit River, MI/ON | 2024 | 04090004 | Detroit | |
| 1922769 | MI | Wayne | Lake Erie, at Detroit River, MI/ON | 2025 | 04090004 | Detroit | |
Citation for this information:
U.S. Geological Survey, 2026,
Osmerus mordax: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 6/4/2026