Gammarus fasciatus

A freshwater amphipod

Collection Information for Gammarus fasciatus

Results limited to All Great Lakes Drainages.
To see the collection list for the entire United States, click here.
 Results also available in (click to export table to spreadsheet)

(click table headers to sort)
Specimen IDStateCountyLocalityYearHUC NumberDrainage NameStatus
279748MIOttawaLake Michigan, Grand Rapids Water, Grand Rapids, Michigan187404190000Lake Michiganestablished
157151MIAlgerLake Superior, Munising199604180000Lake Superiorestablished
157152MIMarquetteLake Superior, Marquette200104180000Lake Superiorestablished
157153MIKeweenawLake Superior, Copper Harbor200104180000Lake Superiorestablished
1882594MIBaySaginaw River202304080206Saginawestablished
1882595MIBaySaginaw River202304080206Saginawestablished
1882596MIBaySaginaw River202304080206Saginawestablished
1882598MIBaySaginaw River202304080206Saginawestablished
1882575MIWayneDetroit River202304090004Detroitestablished
1882593MIBaySaginaw River202304080206Saginawestablished
1882597MIBaySaginaw River202304080206Saginawestablished
1882576MIWayneDetroit River202304090004Detroitestablished
1882577MIWayneDetroit River202304090004Detroitestablished
1882578MIWayneDetroit River202304090004Detroitestablished
1882599MIBaySaginaw River202304080206Saginawestablished
157156MI Lake Huron187404240002Lake Huronestablished
157150MIChippewaLake Superior, at Sault Ste. Marie200104200002St. Marysestablished
1710231MIChippewaSt. Mary's River201504200002St. Marys 
1710234MIChippewaSt. Mary's River201504200002St. Marys 
1710235MIChippewaSt. Mary's River201504200002St. Marys 
1882591MIBaySaginaw River202304240002Lake Huronestablished
1882592MIBaySaginaw River202304240002Lake Huronestablished

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: 12/20/2025