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
253597OH Lake Erie, western basin [NE of Toledo]200704260000Lake Eriecollected
253600OHOttawaLake Erie near the mouth of the Portage River200704260000Lake Eriecollected
270537OHOttawaLake Erie near Gibralter Island, N. Side [small island in Put-In-Bay]199604260000Lake Erieestablished
1882522OHCuyahogaLake Erie, at Cleveland202304110002Cuyahogaestablished
1882560OHErieLake Erie, Sandusky Bay202304260000Lake Erieestablished
1882518OHCuyahogaLake Erie, at Cleveland202304260000Lake Erieestablished
1882519OHCuyahogaLake Erie, at Cleveland202304260000Lake Erieestablished
1882523OHCuyahogaLake Erie, at Cleveland202304260000Lake Erieestablished
1882525OHCuyahogaLake Erie, at Cleveland202304260000Lake Erieestablished
1882526OHCuyahogaLake Erie, at Cleveland202304260000Lake Erieestablished
1882524OHCuyahogaLake Erie, at Cleveland202304260000Lake Erieestablished
1882551OHErieLake Erie, Sandusky Bay202304260000Lake Erieestablished
1882552OHErieLake Erie, Sandusky Bay202304260000Lake Erieestablished
1882553OHErieLake Erie, Sandusky Bay202304260000Lake Erieestablished
1882554OHErieLake Erie, Sandusky Bay202304260000Lake Erieestablished
1882520OHCuyahogaLake Erie, at Cleveland202304260000Lake Erieestablished
1882521OHCuyahogaLake Erie, at Cleveland202304110002Cuyahogaestablished
1882550OHErieLake Erie, Sandusky Bay202304260000Lake Erieestablished
1882538OHLucasLake Erie, Maumee Bay202304260000Lake Erieestablished
1882537OHLucasLake Erie, Maumee Bay202304260000Lake Erieestablished
1882539OHLucasLake Erie, Maumee Bay202304100009Lower Maumeeestablished
1882559OHErieLake Erie, Sandusky Bay202304260000Lake Erieestablished
1882555OHOttawaLake Erie, Sandusky Bay202304260000Lake Erieestablished
1882556OHOttawaLake Erie, Sandusky Bay202304260000Lake Erieestablished
1882557OHErieLake Erie, Sandusky Bay202304260000Lake Erieestablished
1882558OHErieLake Erie, Sandusky Bay202304260000Lake Erieestablished

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: 2/21/2026