| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 39420 | NY | | Lake Erie | 1968 | 04260000 | Lake Erie | established |
| 39411 | NY | | Lake Erie | 1985 | 04260000 | Lake Erie | established |
| 1884301 | NY | Chautauqua | Dunkirk, Lake Erie | 2019 | 04260000 | Lake Erie | established |
| 1907686 | NY | Erie | Lake Erie, at Buffalo, NY | 2017 | 04260000 | Lake Erie | |
| 1909047 | NY | Erie | Lake Erie, at Buffalo, NY | 2017 | 04260000 | Lake Erie | |
| 1908021 | NY | Erie | Lake Erie, at Buffalo, NY | 2015 | 04260000 | Lake Erie | |
| 1909050 | NY | Erie | Lake Erie, at Buffalo, NY | 2018 | 04260000 | Lake Erie | |
| 1909051 | NY | Erie | Lake Erie, at Buffalo, NY | 2018 | 04260000 | Lake Erie | |
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