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
1931468ONT Lake St. Clair, EAST - LONG TERM SENSING SITE201904090002Lake St. Clair 
1931478ONT Lake St. Clair, EAST - LONG TERM SENSING SITE201904090002Lake St. Clair 
1931108ONT Detroit River, FIGHTING ISLAND - LONG TERM SENSING SITE201904090004Detroit 
1931488ONT Lake St. Clair, EAST - LONG TERM SENSING SITE201904090002Lake St. Clair 
1931498ONT Lake St. Clair, EAST - LONG TERM SENSING SITE201904090002Lake St. Clair 
1931508ONT Lake St. Clair, EAST - LONG TERM SENSING SITE201904090002Lake St. Clair 
1927656ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201004260000Lake Erie 
1927657ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201004260000Lake Erie 
1927658ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201004260000Lake Erie 
1931518ONT Lake St. Clair, Thames River Mouth201904090007Lower Thames River 
1931528ONT Lake St. Clair, Thames River Mouth201904090007Lower Thames River 
1931538ONT Lake St. Clair, Thames River Mouth201904090007Lower Thames River 
1931548ONT Lake St. Clair, Thames River Mouth201904090007Lower Thames River 
1931558ONT Lake St. Clair, Thames River Mouth201904090007Lower Thames River 
1927654ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE200704260000Lake Erie 
1927655ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE200704260000Lake Erie 
1927659ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201004260000Lake Erie 
1927660ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201004260000Lake Erie 
1929471ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201404260000Lake Erie 
1929474ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201404260000Lake Erie 
1929487ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201404260000Lake Erie 
1929490ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201404260000Lake Erie 
1929492ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201404260000Lake Erie 
1929579ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201604260000Lake Erie 
1929580ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201604260000Lake Erie 
1931118ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201904260000Lake Erie 
1931128ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201904260000Lake Erie 
1931138ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201904260000Lake Erie 
1931148ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201904260000Lake Erie 
1931158ONT Lake Erie, MID-CHANNEL AT NIAGARA RIVER SOURCE201904260000Lake Erie 
1929882ONT Lake Ontario, TORONTO INNER HARBOUR - 1976 PDGPS201804280002Lake Ontario 
1929890ONT Lake Ontario, TORONTO INNER HARBOUR - 1976 PDGPS201804280002Lake Ontario 
1929898ONT Lake Ontario, TORONTO INNER HARBOUR - 1976 PDGPS201804280002Lake Ontario 
1929914ONT Lake Ontario, TORONTO INNER HARBOUR - 1976 PDGPS201804280002Lake Ontario 
1929922ONT Lake Ontario, TORONTO INNER HARBOUR - 1976 PDGPS201804280002Lake Ontario 
1930042ONT Lake Ontario, PRESQU'ILE201804280002Lake Ontario 
1930050ONT Lake Ontario, PRESQU'ILE201804280002Lake Ontario 
1930058ONT Lake Ontario, PRESQU'ILE201804280002Lake Ontario 
1930066ONT Lake Ontario, PRESQU'ILE201804280002Lake Ontario 
1930082ONT Lake Ontario, PRESQU'ILE201804280002Lake Ontario 
1930122ONT Lake Ontario, PRINCE EDWARD POINT TRANSECT #23 - 20 METERS201804280002Lake Ontario 
1930138ONT Lake Ontario, PRINCE EDWARD POINT TRANSECT #23 - 20 METERS201804280002Lake Ontario 
1930146ONT Lake Ontario, PRINCE EDWARD POINT TRANSECT #23 - 20 METERS201804280002Lake Ontario 
1930154ONT Lake Ontario, PRINCE EDWARD POINT TRANSECT #23 - 20 METERS201804280002Lake Ontario 
1930162ONT Lake Ontario, PRINCE EDWARD POINT TRANSECT #23 - 20 METERS201804280002Lake Ontario 
1930250ONT Lake Ontario, NORTH CHANNEL WEST OF KINGSTON PDGPS201804280002Lake Ontario 
1930258ONT Lake Ontario, NORTH CHANNEL WEST OF KINGSTON PDGPS201804280002Lake Ontario 
1930480ONT Lake Ontario, TORONTO INNER HARBOUR - 1976 PDGPS201804280002Lake Ontario 
1930488ONT Lake Ontario, TORONTO INNER HARBOUR - 1976 PDGPS201804280002Lake Ontario 
1930496ONT Lake Ontario, TORONTO INNER HARBOUR - 1976 PDGPS201804280002Lake Ontario 
1930512ONT Lake Ontario, TORONTO INNER HARBOUR - 1976 PDGPS201804280002Lake Ontario 
1930520ONT Lake Ontario, TORONTO INNER HARBOUR - 1976 PDGPS201804280002Lake Ontario 
1930640ONT Lake Ontario, PRESQU'ILE201804280002Lake Ontario 
1930648ONT Lake Ontario, PRESQU'ILE201804280002Lake Ontario 
1930656ONT Lake Ontario, PRESQU'ILE201804280002Lake Ontario 
1930664ONT Lake Ontario, PRESQU'ILE201804280002Lake Ontario 
1930680ONT Lake Ontario, PRESQU'ILE201804280002Lake Ontario 
1930720ONT Lake Ontario, PRINCE EDWARD POINT TRANSECT #23 - 20 METERS201804280002Lake Ontario 
1930736ONT Lake Ontario, PRINCE EDWARD POINT TRANSECT #23 - 20 METERS201804280002Lake Ontario 
1930744ONT Lake Ontario, PRINCE EDWARD POINT TRANSECT #23 - 20 METERS201804280002Lake Ontario 
1930752ONT Lake Ontario, PRINCE EDWARD POINT TRANSECT #23 - 20 METERS201804280002Lake Ontario 
1930760ONT Lake Ontario, PRINCE EDWARD POINT TRANSECT #23 - 20 METERS201804280002Lake Ontario 
1927662ONT Lake Ontario, CHUB POINT200904280002Lake Ontario 
1927663ONT Lake Erie, NANTICOKE - PEACOCK POINT - LONG TERM SENSING SITE201004260000Lake Erie 
1930002ONT TEST201804270103Sixteen Mile Creek-Frontal Lake Ontario 
1930010ONT TEST201804270103Sixteen Mile Creek-Frontal Lake Ontario 
1930018ONT TEST201804270103Sixteen Mile Creek-Frontal Lake Ontario 
1930026ONT TEST201804270103Sixteen Mile Creek-Frontal Lake Ontario 
1930034ONT TEST201804270103Sixteen Mile Creek-Frontal Lake Ontario 
1930210ONT TEST201804280002Lake Ontario 
1930218ONT TEST201804280002Lake Ontario 
1930226ONT TEST201804280002Lake Ontario 
1930234ONT TEST201804280002Lake Ontario 
1930242ONT TEST201804280002Lake Ontario 
1930266ONT Lake Ontario, NORTH CHANNEL WEST OF KINGSTON PDGPS201804280002Lake Ontario 
1930274ONT Lake Ontario, NORTH CHANNEL WEST OF KINGSTON PDGPS201804280002Lake Ontario 
1930282ONT Lake Ontario, NORTH CHANNEL WEST OF KINGSTON PDGPS201804280002Lake Ontario 
1930600ONT TEST201804270103Sixteen Mile Creek-Frontal Lake Ontario 
1930608ONT TEST201804270103Sixteen Mile Creek-Frontal Lake Ontario 
1930616ONT TEST201804270103Sixteen Mile Creek-Frontal Lake Ontario 
1930624ONT TEST201804270103Sixteen Mile Creek-Frontal Lake Ontario 
1930632ONT TEST201804270103Sixteen Mile Creek-Frontal Lake Ontario 
1930808ONT TEST201804280002Lake Ontario 
1930816ONT TEST201804280002Lake Ontario 
1930824ONT TEST201804280002Lake Ontario 
1930832ONT TEST201804280002Lake Ontario 
1930840ONT TEST201804280002Lake Ontario 
1930848ONT Lake Ontario, NORTH CHANNEL WEST OF KINGSTON PDGPS201804280002Lake Ontario 
1930856ONT Lake Ontario, NORTH CHANNEL WEST OF KINGSTON PDGPS201804280002Lake Ontario 
1930864ONT Lake Ontario, NORTH CHANNEL WEST OF KINGSTON PDGPS201804280002Lake Ontario 
1930872ONT Lake Ontario, NORTH CHANNEL WEST OF KINGSTON PDGPS201804280002Lake Ontario 
1930880ONT Lake Ontario, NORTH CHANNEL WEST OF KINGSTON PDGPS201804280002Lake Ontario 
1931058ONT Lake Erie, LONG POINT BAY201904260000Lake Erie 
1931068ONT Lake Erie, LONG POINT BAY201904260000Lake Erie 
1931078ONT Lake Erie, LONG POINT BAY201904260000Lake Erie 
1931088ONT Lake Erie, LONG POINT BAY201904260000Lake Erie 
1931098ONT Lake Erie, LONG POINT BAY201904260000Lake Erie 
1931168ONT Lake Erie, PORT STANLEY - LONG TERM SENSING SITE201904260000Lake Erie 
1931178ONT Lake Erie, PORT STANLEY - LONG TERM SENSING SITE201904260000Lake Erie 
1931188ONT Lake Erie, PORT STANLEY - LONG TERM SENSING SITE201904260000Lake Erie 
1931198ONT Lake Erie, PORT STANLEY - LONG TERM SENSING SITE201904260000Lake Erie 
1931218ONT Lake Erie, POINTE AUX PINS - LONG TERM SENSING SITE201904260000Lake Erie 
1931228ONT Lake Erie, POINTE AUX PINS - LONG TERM SENSING SITE201904260000Lake Erie 
1931238ONT Lake Erie, POINTE AUX PINS - LONG TERM SENSING SITE201904260000Lake Erie 
1931248ONT Lake Erie, POINTE AUX PINS - LONG TERM SENSING SITE201904260000Lake Erie 
1931258ONT Lake Erie, POINTE AUX PINS - LONG TERM SENSING SITE201904260000Lake Erie 
1931318ONT Lake Erie, L ERIE W BASIN INDEX STATION201904260000Lake Erie 
1931328ONT Lake Erie, L ERIE W BASIN INDEX STATION201904260000Lake Erie 
1931338ONT Lake Erie, L ERIE W BASIN INDEX STATION201904260000Lake Erie 
1931348ONT Lake Erie, L ERIE W BASIN INDEX STATION201904260000Lake Erie 
1931358ONT Lake Erie, L ERIE W BASIN INDEX STATION201904260000Lake Erie 
1931568ONT Lake Erie, COLCHESTER201904260000Lake Erie 
1931578ONT Lake Erie, COLCHESTER201904260000Lake Erie 
1931588ONT Lake Erie, COLCHESTER201904260000Lake Erie 
1931598ONT Lake Erie, COLCHESTER201904260000Lake Erie 
1931608ONT Lake Erie, COLCHESTER201904260000Lake Erie 
1931668ONT Lake Erie, NANTICOKE - PEACOCK POINT - LONG TERM SENSING SITE201904260000Lake Erie 
1931678ONT Lake Erie, NANTICOKE - PEACOCK POINT - LONG TERM SENSING SITE201904260000Lake Erie 
1931688ONT Lake Erie, NANTICOKE - PEACOCK POINT - LONG TERM SENSING SITE201904260000Lake Erie 
1931698ONT Lake Erie, NANTICOKE - PEACOCK POINT - LONG TERM SENSING SITE201904260000Lake Erie 
1931708ONT Lake Erie, NANTICOKE - PEACOCK POINT - LONG TERM SENSING SITE201904260000Lake Erie 
1931718ONT Lake Erie, GRAND RIVER - LONG TERM SENSING SITE201904260000Lake Erie 
1931728ONT Lake Erie, GRAND RIVER - LONG TERM SENSING SITE201904260000Lake Erie 
1931738ONT Lake Erie, GRAND RIVER - LONG TERM SENSING SITE201904260000Lake Erie 
1931748ONT Lake Erie, GRAND RIVER - LONG TERM SENSING SITE201904260000Lake Erie 
1931758ONT Lake Erie, GRAND RIVER - LONG TERM SENSING SITE201904260000Lake Erie 
1929778ONT Lake Ontario, PORT DALHOUSIE201804280002Lake Ontario 
1929786ONT Lake Ontario, PORT DALHOUSIE201804280002Lake Ontario 
1929794ONT Lake Ontario, PORT DALHOUSIE201804280002Lake Ontario 
1929802ONT Lake Ontario, PORT DALHOUSIE201804280002Lake Ontario 
1930074ONT Lake Ontario, PORT DALHOUSIE201804280002Lake Ontario 
1930376ONT Lake Ontario, PORT DALHOUSIE201804280002Lake Ontario 
1930384ONT Lake Ontario, PORT DALHOUSIE201804280002Lake Ontario 
1930392ONT Lake Ontario, PORT DALHOUSIE201804280002Lake Ontario 
1930400ONT Lake Ontario, PORT DALHOUSIE201804280002Lake Ontario 
1930672ONT Lake Ontario, PORT DALHOUSIE201804280002Lake Ontario 
1931008ONT Lake Erie, LOWER GRAND RIVER201904250005Lower Grand River 
1931018ONT Lake Erie, LOWER GRAND RIVER201904250005Lower Grand River 
1931028ONT Lake Erie, LOWER GRAND RIVER201904250005Lower Grand River 
1931038ONT Lake Erie, LOWER GRAND RIVER201904250005Lower Grand River 
1931048ONT Lake Erie, LOWER GRAND RIVER201904250005Lower Grand River 
1931208ONT Lake Erie, PORT STANLEY - LONG TERM SENSING SITE201904260000Lake Erie 

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: 6/4/2026