| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 242371 | WI | Florence | Keyes Lake | 1990 | 04030108 | Menominee | established |
| 158081 | WI | Florence | Keyes Lake | 2003 | 04030108 | Menominee | established |
| 793623 | WI | Florence | Keyes Lake | 2000 | 04030108 | Menominee | established |
| 793624 | WI | Florence | Keyes Lake | 2000 | 04030108 | Menominee | established |
| 793632 | WI | Florence | Keyes Lake | 2004 | 04030108 | Menominee | established |
| 793617 | WI | Florence | Keyes Lake | 2000 | 04030108 | Menominee | established |
| 793618 | WI | Florence | Keyes Lake | 2000 | 04030108 | Menominee | established |
| 793619 | WI | Florence | Keyes Lake | 2000 | 04030108 | Menominee | established |
| 793620 | WI | Florence | Keyes Lake | 2000 | 04030108 | Menominee | established |
| 793621 | WI | Florence | Keyes Lake | 2000 | 04030108 | Menominee | established |
| 793622 | WI | Florence | Keyes Lake | 2000 | 04030108 | Menominee | established |
| 793642 | WI | Florence | Keyes Lake | 2007 | 04030108 | Menominee | established |
| 793660 | WI | Florence | Keyes Lake | 2012 | 04030108 | Menominee | established |
| 1424331 | WI | Florence | Keyes Lake | 2000 | 04030108 | Menominee | established |
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