Gammarus fasciatus

A freshwater amphipod

Collection Information for Gammarus fasciatus

Results limited to HUC #04180000.
To see the collection list for the entire Great Lakes region, click here.
 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
157162WIDouglasLake Superior, Superior Harbor200104180000Lake Superiorestablished
1709763WIDouglasSt. Louis River201904180000Lake Superior 
1709660WIDouglasSt. Louis River201804180000Lake Superior 
1709706WIBayfieldChequamegon Bay201804180000Lake Superior 
1709841WIDouglasSt. Louis River202004180000Lake Superior 
1709633WIDouglasSt. Louis River201704180000Lake Superior 
1709619WIDouglasSt. Louis River201604180000Lake Superior 
1709625WIBayfieldBayfield201704180000Lake Superior 
1709666WIBayfieldBayfield201804180000Lake Superior 
1709667WIBayfieldBayfield201804180000Lake Superior 
1709670WIAshlandChequamegon Bay201804180000Lake Superior 
1709676WIBayfieldBayfield201804180000Lake Superior 
1709677WIBayfieldBayfield201804180000Lake Superior 
1709685WIBayfieldBayfield201804180000Lake Superior 
1709696WIBayfieldBayfield201804180000Lake Superior 
1709823WIBayfieldBayfield202004180000Lake Superior 
1709678WIBayfieldRed Cliff201804180000Lake Superior 
1709684WIBayfieldChequamegon Bay201804180000Lake Superior 
1709694WIBayfieldChequamegon Bay201804180000Lake Superior 
1709695WIBayfieldChequamegon Bay201804180000Lake Superior 
1709697WIBayfieldRed Cliff201804180000Lake Superior 
1709719WIDouglasSt. Louis River201904180000Lake Superior 
1709724WIDouglasSt. Louis River201904180000Lake Superior 
1709736WIDouglasSt. Louis River201904180000Lake Superior 
1709737WIDouglasSt. Louis River201904180000Lake Superior 
1709738WIDouglasSt. Louis River201904180000Lake Superior 
1709742WIDouglasSt. Louis River201904180000Lake Superior 
1709743WIDouglasSt. Louis River201904180000Lake Superior 
1709748WIDouglasSt. Louis River201904180000Lake Superior 
1709749WIDouglasSt. Louis River201904180000Lake Superior 
1709750WIDouglasSt. Louis River201904180000Lake Superior 
1709751WIDouglasSt. Louis River201904180000Lake Superior 
1709752WIDouglasSt. Louis River201904180000Lake Superior 
1709762WIDouglasSt. Louis River201904180000Lake Superior 
1709764WIDouglasSt. Louis River201904180000Lake Superior 
1709766WIBayfieldChequamegon Bay201904180000Lake Superior 
1709768WIBayfieldBayfield201904180000Lake Superior 
1709769WIBayfieldBayfield201904180000Lake Superior 
1709774WIBayfieldBayfield201904180000Lake Superior 
1709780WIAshlandChequamegon Bay201904180000Lake Superior 
1709783WIBayfieldBayfield201904180000Lake Superior 
1709784WIBayfieldBayfield201904180000Lake Superior 
1709790WIBayfieldBayfield202004180000Lake Superior 
1709791WIBayfieldBayfield202004180000Lake Superior 
1709810WIDouglasSt. Louis River202004180000Lake Superior 
1709811WIBayfieldChequamegon Bay202004180000Lake Superior 
1709812WIBayfieldBayfield202004180000Lake Superior 
1709820WIBayfieldChequamegon Bay202004180000Lake Superior 
1709827WIBayfieldBayfield202004180000Lake Superior 
1709828WIBayfieldBayfield202004180000Lake Superior 
1709833WIBayfieldChequamegon Bay202004180000Lake Superior 
1709834WIBayfieldBayfield202004180000Lake Superior 
1709835WIAshlandChequamegon Bay202004180000Lake Superior 
1709840WIDouglasSt. Louis River202004180000Lake Superior 
1709842WIDouglasSt. Louis River202004180000Lake Superior 
1709846WIDouglasSt. Louis River202004180000Lake Superior 
1709854WIDouglasSt. Louis River202004180000Lake Superior 
1709857WIDouglasSt. Louis River202004180000Lake Superior 
1709859WIDouglasSt. Louis River202004180000Lake Superior 
1709864WIDouglasSt. Louis River202004180000Lake Superior 
1709865WIBayfieldChequamegon Bay202004180000Lake Superior 
1710145WIBayfieldApostle Island Marina201404180000Lake Superior 
1710146WIBayfieldApostle Island Marina201404180000Lake Superior 
1710147WIBayfieldApostle Island Marina201404180000Lake Superior 
1710148WIBayfieldApostle Island Marina201404180000Lake Superior 
1710149WIBayfieldApostle Island Marina201404180000Lake Superior 
1710150WIBayfieldApostle Island Marina201404180000Lake Superior 
1710179WIAshlandChequamegon Bay201404180000Lake Superior 
1710180WIAshlandChequamegon Bay201404180000Lake Superior 
1710181WIAshlandChequamegon Bay201404180000Lake Superior 
1710182WIAshlandChequamegon Bay201404180000Lake Superior 
1710183WIAshlandChequamegon Bay201404180000Lake Superior 
1710184WIBayfieldChequamegon Bay201404180000Lake Superior 
1710185WIBayfieldChequamegon Bay201404180000Lake Superior 
1710187WIBayfieldChequamegon Bay201404180000Lake Superior 
1710188WIBayfieldChequamegon Bay201404180000Lake Superior 
1710189WIBayfieldChequamegon Bay201404180000Lake Superior 
1710190WIBayfieldChequamegon Bay201404180000Lake Superior 
1710191WIBayfieldChequamegon Bay201404180000Lake Superior 
1710192WIAshlandChequamegon Bay201404180000Lake Superior 
1710193WIAshlandChequamegon Bay201404180000Lake Superior 
1710196WIAshlandChequamegon Bay201404180000Lake Superior 
1710197WIAshlandChequamegon Bay201404180000Lake Superior 
1710198WIAshlandChequamegon Bay201404180000Lake Superior 
1710199WIAshlandChequamegon Bay201404180000Lake Superior 
1710200WIAshlandChequamegon Bay201404180000Lake Superior 
1710202WIAshlandChequamegon Bay201404180000Lake Superior 
1710203WIAshlandChequamegon Bay201404180000Lake Superior 
1710204WIAshlandChequamegon Bay201404180000Lake Superior 
1710205WIAshlandChequamegon Bay201404180000Lake Superior 
1710206WIAshlandChequamegon Bay201404180000Lake Superior 
1710207WIBayfieldChequamegon Bay201404180000Lake Superior 
1710208WIBayfieldChequamegon Bay201404180000Lake Superior 
1710211WIBayfieldWashburn Marina201504180000Lake Superior 
1710216WIBayfieldWashburn Marina201504180000Lake Superior 
1710233WIDouglasSt. Louis River201504180000Lake Superior 

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: 12/19/2025