Gammarus fasciatus

A freshwater amphipod

Collection Information for Gammarus fasciatus

Results limited to HUC #04010301.
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)

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Specimen IDStateCountyLocalityYearHUC NumberDrainage NameStatus
1709628WIBayfieldSiskiwit Bay (Squaw pt.)201704010301Beartrap-Nemadji 
1709641WIBayfieldSiskiwit Bay (Squaw pt.)201704010301Beartrap-Nemadji 
1709649WIBayfieldSiskiwit Bay (Squaw pt.)201704010301Beartrap-Nemadji 
1709653WIBayfieldPort Wing201704010301Beartrap-Nemadji 
1709671WIBayfieldBayfield201804010301Beartrap-Nemadji 
1709623WIBayfieldChequamegon Bay201704010301Beartrap-Nemadji 
1709624WIBayfieldChequamegon Bay201704010301Beartrap-Nemadji 
1709626WIBayfieldBayfield201704010301Beartrap-Nemadji 
1709639WIBayfieldBayfield201704010301Beartrap-Nemadji 
1709647WIBayfieldBayfield201704010301Beartrap-Nemadji 
1709627WIBayfieldSiskiwit Bay (Squaw pt.)201704010301Beartrap-Nemadji 
1709640WIBayfieldSiskiwit Bay (Squaw pt.)201704010301Beartrap-Nemadji 
1709648WIBayfieldSiskiwit Bay (Squaw pt.)201704010301Beartrap-Nemadji 
1709629WIBayfieldPort Wing201704010301Beartrap-Nemadji 
1709642WIBayfieldPort Wing201704010301Beartrap-Nemadji 
1709650WIBayfieldPort Wing201704010301Beartrap-Nemadji 
1709630WIBayfieldPort Wing201704010301Beartrap-Nemadji 
1709643WIBayfieldPort Wing201704010301Beartrap-Nemadji 
1709651WIBayfieldPort Wing201704010301Beartrap-Nemadji 
1709636WIBayfieldPort Wing201704010301Beartrap-Nemadji 
1709637WIAshlandChequamegon Bay201704010301Beartrap-Nemadji 
1709645WIAshlandChequamegon Bay201704010301Beartrap-Nemadji 
1709638WIBayfieldChequamegon Bay201704010301Beartrap-Nemadji 
1709646WIBayfieldChequamegon Bay201704010301Beartrap-Nemadji 
1709672WIBayfieldPort Wing201804010301Beartrap-Nemadji 
1709673WIBayfieldPort Wing201804010301Beartrap-Nemadji 
1709708WIBayfieldPort Wing201804010301Beartrap-Nemadji 
1709674WIAshlandChequamegon Bay201804010301Beartrap-Nemadji 
1709675WIAshlandChequamegon Bay201804010301Beartrap-Nemadji 
1709693WIAshlandChequamegon Bay201804010301Beartrap-Nemadji 
1709679WIBayfieldSiskiwit Bay (Squaw pt.)201804010301Beartrap-Nemadji 
1709680WIBayfieldSiskiwit Bay (Squaw pt.)201804010301Beartrap-Nemadji 
1709686WIBayfieldSiskiwit Bay (Squaw pt.)201804010301Beartrap-Nemadji 
1709687WIBayfieldSiskiwit Bay (Squaw pt.)201804010301Beartrap-Nemadji 
1709698WIBayfieldSiskiwit Bay (Squaw pt.)201804010301Beartrap-Nemadji 
1709699WIBayfieldSiskiwit Bay (Squaw pt.)201804010301Beartrap-Nemadji 
1709681WIBayfieldPort Wing201804010301Beartrap-Nemadji 
1709689WIBayfieldPort Wing201804010301Beartrap-Nemadji 
1709700WIBayfieldPort Wing201804010301Beartrap-Nemadji 
1709688WIBayfieldPort Wing201804010301Beartrap-Nemadji 
1709707WIBayfieldSiskiwit Bay (Squaw pt.)201804010301Beartrap-Nemadji 
1709715WIBayfieldChequamegon Bay201904010301Beartrap-Nemadji 
1709720WIBayfieldChequamegon Bay201904010301Beartrap-Nemadji 
1709716WIBayfieldSiskiwit Bay (Squaw pt.)201904010301Beartrap-Nemadji 
1709721WIBayfieldSiskiwit Bay (Squaw pt.)201904010301Beartrap-Nemadji 
1709717WIBayfieldPort Wing201904010301Beartrap-Nemadji 
1709722WIBayfieldPort Wing201904010301Beartrap-Nemadji 
1709725WIDouglasSt. Louis River201904010301Beartrap-Nemadji 
1709726WIDouglasSt. Louis River201904010301Beartrap-Nemadji 
1709727WIDouglasSt. Louis River201904010301Beartrap-Nemadji 
1709728WIDouglasSt. Louis River201904010301Beartrap-Nemadji 
1709734WIDouglasSt. Louis River201904010301Beartrap-Nemadji 
1709735WIDouglasSt. Louis River201904010301Beartrap-Nemadji 
1709739WIBayfieldPort Wing201904010301Beartrap-Nemadji 
1709740WIBayfieldPort Wing201904010301Beartrap-Nemadji 
1709741WIBayfieldPort Wing201904010301Beartrap-Nemadji 
1709744WIDouglasSt. Louis River201904010301Beartrap-Nemadji 
1709745WIDouglasSt. Louis River201904010301Beartrap-Nemadji 
1709746WIDouglasSt. Louis River201904010301Beartrap-Nemadji 
1709747WIDouglasSt. Louis River201904010301Beartrap-Nemadji 
1709765WIAshlandChequamegon Bay201904010301Beartrap-Nemadji 
1709767WIBayfieldChequamegon Bay201904010301Beartrap-Nemadji 
1709770WIBayfieldSiskiwit Bay (Squaw pt.)201904010301Beartrap-Nemadji 
1709771WIAshlandChequamegon Bay201904010301Beartrap-Nemadji 
1709772WIAshlandChequamegon Bay201904010301Beartrap-Nemadji 
1709773WIBayfieldChequamegon Bay201904010301Beartrap-Nemadji 
1709775WIBayfieldPort Wing201904010301Beartrap-Nemadji 
1709776WIBayfieldPort Wing201904010301Beartrap-Nemadji 
1709779WIBayfieldChequamegon Bay201904010301Beartrap-Nemadji 
1709782WIBayfieldChequamegon Bay201904010301Beartrap-Nemadji 
1709785WIBayfieldSiskiwit Bay (Squaw pt.)201904010301Beartrap-Nemadji 
1709786WIBayfieldSiskiwit Bay (Squaw pt.)201904010301Beartrap-Nemadji 
1709787WIBayfieldPort Wing201904010301Beartrap-Nemadji 
1709788WIBayfieldPort Wing201904010301Beartrap-Nemadji 
1709792WIAshlandChequamegon Bay202004010301Beartrap-Nemadji 
1709798WIBayfieldChequamegon Bay202004010301Beartrap-Nemadji 
1709799WIBayfieldChequamegon Bay202004010301Beartrap-Nemadji 
1709800WIBayfieldPort Wing202004010301Beartrap-Nemadji 
1709801WIBayfieldPort Wing202004010301Beartrap-Nemadji 
1709802WIBayfieldPort Wing202004010301Beartrap-Nemadji 
1709803WIBayfieldPort Wing202004010301Beartrap-Nemadji 
1709804WIBayfieldPort Wing202004010301Beartrap-Nemadji 
1709805WIBayfieldPort Wing202004010301Beartrap-Nemadji 
1709806WIBayfieldPort Wing202004010301Beartrap-Nemadji 
1709807WIBayfieldSiskiwit Bay (Squaw pt.)202004010301Beartrap-Nemadji 
1709808WIBayfieldSiskiwit Bay (Squaw pt.)202004010301Beartrap-Nemadji 
1709809WIBayfieldSiskiwit Bay (Squaw pt.)202004010301Beartrap-Nemadji 
1709813WIBayfieldSiskiwit Bay (Squaw pt.)202004010301Beartrap-Nemadji 
1709814WIBayfieldBayfield202004010301Beartrap-Nemadji 
1709815WIBayfieldPort Wing202004010301Beartrap-Nemadji 
1709816WIBayfieldSiskiwit Bay (Squaw pt.)202004010301Beartrap-Nemadji 
1709817WIBayfieldSiskiwit Bay (Squaw pt.)202004010301Beartrap-Nemadji 
1709818WIBayfieldSiskiwit Bay (Squaw pt.)202004010301Beartrap-Nemadji 
1709819WIBayfieldSiskiwit Bay (Squaw pt.)202004010301Beartrap-Nemadji 
1709821WIBayfieldChequamegon Bay202004010301Beartrap-Nemadji 
1709822WIBayfieldBayfield202004010301Beartrap-Nemadji 
1709824WIBayfieldSiskiwit Bay (Squaw pt.)202004010301Beartrap-Nemadji 
1709825WIBayfieldPort Wing202004010301Beartrap-Nemadji 
1709826WIBayfieldPort Wing202004010301Beartrap-Nemadji 
1709829WIAshlandChequamegon Bay202004010301Beartrap-Nemadji 
1709830WIBayfieldSiskiwit Bay (Squaw pt.)202004010301Beartrap-Nemadji 
1709831WIBayfieldBayfield202004010301Beartrap-Nemadji 
1709832WIBayfieldPort Wing202004010301Beartrap-Nemadji 
1709836WIBayfieldChequamegon Bay202004010301Beartrap-Nemadji 
1709838WIBayfieldSiskiwit Bay (Squaw pt.)202004010301Beartrap-Nemadji 
1709839WIBayfieldChequamegon Bay202004010301Beartrap-Nemadji 
1709843WIDouglasSt. Louis River202004010301Beartrap-Nemadji 
1709844WIDouglasSt. Louis River202004010301Beartrap-Nemadji 
1709848WIBayfieldChequamegon Bay202004010301Beartrap-Nemadji 
1709849WIDouglasSt. Louis River202004010301Beartrap-Nemadji 
1709850WIBayfieldChequamegon Bay202004010301Beartrap-Nemadji 
1709852WIDouglasSt. Louis River202004010301Beartrap-Nemadji 
1709855WIAshlandChequamegon Bay202004010301Beartrap-Nemadji 
1709858WIDouglasSt. Louis River202004010301Beartrap-Nemadji 
1709861WIDouglasSt. Louis River202004010301Beartrap-Nemadji 
1709862WIDouglasSt. Louis River202004010301Beartrap-Nemadji 
1709863WIDouglasSt. Louis River202004010301Beartrap-Nemadji 
1709866WIBayfieldChequamegon Bay202004010301Beartrap-Nemadji 
1710151WIAshlandAshland Marina201404010301Beartrap-Nemadji 
1710152WIAshlandAshland Marina201404010301Beartrap-Nemadji 
1710153WIAshlandAshland Marina201404010301Beartrap-Nemadji 
1710154WIAshlandAshland Marina201404010301Beartrap-Nemadji 
1710155WIAshlandAshland Marina201404010301Beartrap-Nemadji 
1710156WIBayfieldPort Superior Marina201404010301Beartrap-Nemadji 
1710157WIBayfieldPort Superior Marina201404010301Beartrap-Nemadji 
1710158WIBayfieldPort Superior Marina201404010301Beartrap-Nemadji 
1710159WIBayfieldPort Superior Marina201404010301Beartrap-Nemadji 
1710160WIBayfieldPort Superior Marina201404010301Beartrap-Nemadji 
1710161WIBayfieldPort Wing Marina201404010301Beartrap-Nemadji 
1710162WIBayfieldPort Wing Marina201404010301Beartrap-Nemadji 
1710163WIBayfieldPort Wing Marina201404010301Beartrap-Nemadji 
1710164WIBayfieldPort Wing Marina201404010301Beartrap-Nemadji 
1710165WIBayfieldPort Wing Marina201404010301Beartrap-Nemadji 
1710166WIBayfieldPort Wing Marina201404010301Beartrap-Nemadji 
1710167WIBayfieldPort Wing Marina201404010301Beartrap-Nemadji 
1710168WIBayfieldPort Wing Marina201404010301Beartrap-Nemadji 
1710169WIBayfieldSiskiwit Bay Marina201404010301Beartrap-Nemadji 
1710170WIBayfieldSiskiwit Bay Marina201404010301Beartrap-Nemadji 
1710171WIBayfieldSiskiwit Bay Marina201404010301Beartrap-Nemadji 
1710172WIBayfieldSiskiwit Bay Marina201404010301Beartrap-Nemadji 
1710173WIBayfieldSiskiwit Bay Marina201404010301Beartrap-Nemadji 
1710174WIBayfieldSiskiwit Bay Marina201404010301Beartrap-Nemadji 
1710175WIBayfieldWashburn Marina201404010301Beartrap-Nemadji 
1710176WIBayfieldWashburn Marina201404010301Beartrap-Nemadji 
1710177WIBayfieldWashburn Marina201404010301Beartrap-Nemadji 
1710178WIBayfieldWashburn Marina201404010301Beartrap-Nemadji 
1710186WIBayfieldChequamegon Bay201404010301Beartrap-Nemadji 
1710194WIAshlandChequamegon Bay201404010301Beartrap-Nemadji 
1710195WIAshlandChequamegon Bay201404010301Beartrap-Nemadji 
1710201WIAshlandChequamegon Bay201404010301Beartrap-Nemadji 
1710212WIBayfieldSiskiwit Bay Marina201504010301Beartrap-Nemadji 
1710213WIAshlandAshland Marina201504010301Beartrap-Nemadji 
1710214WIBayfieldPort Superior Marina201504010301Beartrap-Nemadji 
1710215WIBayfieldSiskiwit Bay Marina201504010301Beartrap-Nemadji 
1710217WIBayfieldPort Superior Marina201504010301Beartrap-Nemadji 
1710218WIBayfieldPort Wing Marina201504010301Beartrap-Nemadji 
1710219WIAshlandAshland Marina201504010301Beartrap-Nemadji 

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