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
157164MNSt. LouisLake Superior, Duluth Harbor200104180000Lake Superiorestablished
1709652MNSt. LouisSt. Louis River201704010201St. Louis 
1709631MNSt. LouisSt. Louis River201704010201St. Louis 
1709705MNSt. LouisSt. Louis River201804010201St. Louis 
1709712MNSt. LouisSt. Louis River201804010201St. Louis 
1709656MNSt. LouisSt. Louis River201804010201St. Louis 
1709657MNSt. LouisSt. Louis River201804180000Lake Superior 
1709658MNSt. LouisSt. Louis River201804180000Lake Superior 
1709616MNSt. LouisSt. Louis River201604010201St. Louis 
1709644MNSt. LouisSt. Louis River201704180000Lake Superior 
1709704MNSt. LouisSt. Louis River201804180000Lake Superior 
1709682MNSt. LouisSt. Louis River201804180000Lake Superior 
1709683MNSt. LouisSt. Louis River201804180000Lake Superior 
1709692MNSt. LouisSt. Louis River201804180000Lake Superior 
1709703MNSt. LouisSt. Louis River201804180000Lake Superior 
1709777MNSt. LouisSt. Louis River201904180000Lake Superior 
1709778MNSt. LouisSt. Louis River201904180000Lake Superior 
1709789MNSt. LouisSt. Louis River201904180000Lake Superior 
1709837MNSt. LouisSt. Louis River202004180000Lake Superior 
1709795MNSt. LouisSt. Louis River202004180000Lake Superior 
1709796MNSt. LouisSt. Louis River202004180000Lake Superior 
1709797MNSt. LouisSt. Louis River202004180000Lake Superior 
1709847MNSt. LouisSt. Louis River202004180000Lake Superior 
1709851MNSt. LouisSt. Louis River202004180000Lake Superior 
1709654MNSt. LouisSt. Louis River201804010201St. Louis 
1709668MNSt. LouisSt. Louis River201804010201St. Louis 
1709753MNSt. LouisSt. Louis River201904180000Lake Superior 
1709755MNSt. LouisSt. Louis River201904010201St. Louis 
1709617MNSt. LouisSt. Louis River201604010201St. Louis 
1709620MNSt. LouisSt. Louis River201604010201St. Louis 
1709634MNSt. LouisSt. Louis River201704180000Lake Superior 
1709655MNSt. LouisSt. Louis River201804010201St. Louis 
1709661MNSt. LouisSt. Louis River201804010201St. Louis 
1709662MNSt. LouisSt. Louis River201804010201St. Louis 
1709663MNSt. LouisSt. Louis River201804180000Lake Superior 
1709664MNSt. LouisSt. Louis River201804180000Lake Superior 
1709665MNSt. LouisSt. Louis River201804180000Lake Superior 
1709710MNSt. LouisSt. Louis River201804180000Lake Superior 
1709718MNSt. LouisSt. Louis River201904010201St. Louis 
1709723MNSt. LouisSt. Louis River201904010201St. Louis 
1709729MNSt. LouisSt. Louis River201904010201St. Louis 
1709731MNSt. LouisSt. Louis River201904010201St. Louis 
1709732MNSt. LouisSt. Louis River201904010201St. Louis 
1709733MNSt. LouisSt. Louis River201904010201St. Louis 
1709754MNSt. LouisSt. Louis River201904180000Lake Superior 
1709756MNSt. LouisSt. Louis River201904180000Lake Superior 
1709757MNSt. LouisSt. Louis River201904010201St. Louis 
1709856MNSt. LouisSt. Louis River202004010201St. Louis 
1710221MNSt. LouisSt. Louis River201504010201St. Louis 
1710223MNSt. LouisSt. Louis River201504010201St. Louis 
1710224MNSt. LouisSt. Louis River201504010201St. Louis 
1710228MNSt. LouisSt. Louis River201504010201St. Louis 
1710232MNSt. LouisSt. Louis River201504010201St. Louis 
1710237MNSt. LouisSt. Louis River201504010201St. Louis 
1710209MNSt. LouisHarbor Cove Marina201504180000Lake Superior 
1710210MNSt. LouisLakehead Boat Basin201504180000Lake Superior 
1710220MNSt. LouisLakehead Boat Basin201504180000Lake Superior 
1710222MNSt. LouisSt. Louis River201504010201St. Louis 
1710236MNSt. LouisSt. Louis River201504010201St. Louis 
1710239MNSt. LouisSt. Louis River201504010201St. Louis 

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