Echinogammarus ischnus

Scud

Collection Information for Echinogammarus ischnus

Results limited to HUC #04190000.
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
253857WIDoorLake Michigan, in Green Bay south of Egg Harbor in Frank E. Murphy State Park200804190000Lake Michigancollected
1421424WIMilwaukeeMilwaukee Harbor, WI201604190000Lake Michiganestablished
1421425WIMilwaukeeMilwaukee Harbor, WI201604190000Lake Michiganestablished
1421426WIMilwaukeeMilwaukee Harbor, WI201604190000Lake Michiganestablished
1421427WIMilwaukeeMilwaukee Harbor, WI201604190000Lake Michiganestablished
1421429WIMilwaukeeMilwaukee Harbor, WI201604190000Lake Michiganestablished
1421431WIMilwaukeeMilwaukee Harbor, WI201604190000Lake Michiganestablished
1556576WIRacine[No locality description provided]201304190000Lake Michiganestablished

Citation for this information:
U.S. Geological Survey, 2026, Echinogammarus ischnus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 2/22/2026