Echinogammarus ischnus

Scud

Collection Information for Echinogammarus ischnus

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
155949ILLakeLake Michigan, Waukegan199904190000Lake Michiganestablished
1421400ILCookCalumet Harbor, IL/IN201604040001Little Calumet-Galienestablished
1421401ILCookCalumet Harbor, IL/IN201604040001Little Calumet-Galienestablished
1421402ILCookCalumet Harbor, IL/IN201604040001Little Calumet-Galienestablished
1421403ILCookCalumet Harbor, IL/IN201604040001Little Calumet-Galienestablished
1421404ILCookChicago Harbor, IL201604190000Lake Michiganestablished
1421405ILCookChicago Harbor, IL201604190000Lake Michiganestablished
1421406ILCookChicago Harbor, IL201604040002Pike-Rootestablished
1421407ILCookChicago Harbor, IL201604190000Lake Michiganestablished
1421408ILCookChicago Harbor, IL201604190000Lake Michiganestablished
1421409ILCookChicago Harbor, IL201604190000Lake Michiganestablished
1421410ILCookChicago Harbor, IL201604190000Lake Michiganestablished
1421411ILCookChicago Harbor, IL201604190000Lake Michiganestablished
1421412ILCookChicago Harbor, IL201604190000Lake Michiganestablished
1421413ILCookChicago Harbor, IL201604190000Lake Michiganestablished
1421414ILCookChicago Harbor, IL201604190000Lake Michiganestablished
1421415ILCookChicago Harbor, IL201604190000Lake Michiganestablished
1878200ILCookCalumet Lake202004040001Little Calumet-Galienunknown
1878204ILCookCalumet River202004040001Little Calumet-Galienunknown
1878205ILCookCalumet River202004040001Little Calumet-Galienunknown
1878206ILCookCalumet River202004040001Little Calumet-Galienunknown
1878207ILCookCalumet River202004040001Little Calumet-Galienunknown
1878208ILCookCalumet River202004040001Little Calumet-Galienunknown
1878209ILCookCalumet River202004040001Little Calumet-Galienunknown
1878210ILCookCalumet River202004040001Little Calumet-Galienunknown
1878211ILCookCalumet River202004040001Little Calumet-Galienunknown
1878212ILCookCalumet River202004040001Little Calumet-Galienunknown

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