| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 875669 | VT | Orleans | Shadow Lake at sampling station F8G | 1994 | 04300202 | St. Francois River | established |
| 875674 | VT | Orleans | Shadow Lake at sampling station F7GA | 1994 | 04300202 | St. Francois River | established |
| 875681 | VT | Orleans | Shadow Lake at sampling station F7GB | 1994 | 04300202 | St. Francois River | established |
| 875657 | VT | Orleans | Shadow Lake at sampling station F6GA | 1994 | 04300202 | St. Francois River | established |
| 875707 | VT | Orleans | Shadow Lake at sampling station F9G | 1994 | 04300202 | St. Francois River | 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