Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
279748 | MI | Ottawa | Lake Michigan, Grand Rapids Water, Grand Rapids, Michigan | 1874 | 04190000 | Lake Michigan | established |
157151 | MI | Alger | Lake Superior, Munising | 1996 | 04180000 | Lake Superior | established |
157152 | MI | Marquette | Lake Superior, Marquette | 2001 | 04180000 | Lake Superior | established |
157153 | MI | Keweenaw | Lake Superior, Copper Harbor | 2001 | 04180000 | Lake Superior | established |
157150 | MI | Chippewa | Lake Superior, at Sault Ste. Marie | 2001 | 04200002 | St. Marys | established |
157156 | MI | | Lake Huron | 1874 | 04240002 | Lake Huron | established |
1710231 | MI | Chippewa | St. Mary's River | 2015 | 04200002 | St. Marys | |
1710234 | MI | Chippewa | St. Mary's River | 2015 | 04200002 | St. Marys | |
1710235 | MI | Chippewa | St. Mary's River | 2015 | 04200002 | St. Marys | |
Citation for this information:
U.S. Geological Survey, 2025,
Gammarus fasciatus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 2/16/2025