Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
157162 | WI | Douglas | Lake Superior, Superior Harbor | 2001 | 04180000 | Lake Superior | established |
1709763 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709660 | WI | Douglas | St. Louis River | 2018 | 04180000 | Lake Superior | |
1709706 | WI | Bayfield | Chequamegon Bay | 2018 | 04180000 | Lake Superior | |
1709841 | WI | Douglas | St. Louis River | 2020 | 04180000 | Lake Superior | |
1709633 | WI | Douglas | St. Louis River | 2017 | 04180000 | Lake Superior | |
1709619 | WI | Douglas | St. Louis River | 2016 | 04180000 | Lake Superior | |
1709625 | WI | Bayfield | Bayfield | 2017 | 04180000 | Lake Superior | |
1709666 | WI | Bayfield | Bayfield | 2018 | 04180000 | Lake Superior | |
1709667 | WI | Bayfield | Bayfield | 2018 | 04180000 | Lake Superior | |
1709670 | WI | Ashland | Chequamegon Bay | 2018 | 04180000 | Lake Superior | |
1709676 | WI | Bayfield | Bayfield | 2018 | 04180000 | Lake Superior | |
1709677 | WI | Bayfield | Bayfield | 2018 | 04180000 | Lake Superior | |
1709685 | WI | Bayfield | Bayfield | 2018 | 04180000 | Lake Superior | |
1709696 | WI | Bayfield | Bayfield | 2018 | 04180000 | Lake Superior | |
1709823 | WI | Bayfield | Bayfield | 2020 | 04180000 | Lake Superior | |
1709678 | WI | Bayfield | Red Cliff | 2018 | 04180000 | Lake Superior | |
1709684 | WI | Bayfield | Chequamegon Bay | 2018 | 04180000 | Lake Superior | |
1709694 | WI | Bayfield | Chequamegon Bay | 2018 | 04180000 | Lake Superior | |
1709695 | WI | Bayfield | Chequamegon Bay | 2018 | 04180000 | Lake Superior | |
1709697 | WI | Bayfield | Red Cliff | 2018 | 04180000 | Lake Superior | |
1709719 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709724 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709736 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709737 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709738 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709742 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709743 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709748 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709749 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709750 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709751 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709752 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709762 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709764 | WI | Douglas | St. Louis River | 2019 | 04180000 | Lake Superior | |
1709766 | WI | Bayfield | Chequamegon Bay | 2019 | 04180000 | Lake Superior | |
1709768 | WI | Bayfield | Bayfield | 2019 | 04180000 | Lake Superior | |
1709769 | WI | Bayfield | Bayfield | 2019 | 04180000 | Lake Superior | |
1709774 | WI | Bayfield | Bayfield | 2019 | 04180000 | Lake Superior | |
1709780 | WI | Ashland | Chequamegon Bay | 2019 | 04180000 | Lake Superior | |
1709783 | WI | Bayfield | Bayfield | 2019 | 04180000 | Lake Superior | |
1709784 | WI | Bayfield | Bayfield | 2019 | 04180000 | Lake Superior | |
1709790 | WI | Bayfield | Bayfield | 2020 | 04180000 | Lake Superior | |
1709791 | WI | Bayfield | Bayfield | 2020 | 04180000 | Lake Superior | |
1709810 | WI | Douglas | St. Louis River | 2020 | 04180000 | Lake Superior | |
1709811 | WI | Bayfield | Chequamegon Bay | 2020 | 04180000 | Lake Superior | |
1709812 | WI | Bayfield | Bayfield | 2020 | 04180000 | Lake Superior | |
1709820 | WI | Bayfield | Chequamegon Bay | 2020 | 04180000 | Lake Superior | |
1709827 | WI | Bayfield | Bayfield | 2020 | 04180000 | Lake Superior | |
1709828 | WI | Bayfield | Bayfield | 2020 | 04180000 | Lake Superior | |
1709833 | WI | Bayfield | Chequamegon Bay | 2020 | 04180000 | Lake Superior | |
1709834 | WI | Bayfield | Bayfield | 2020 | 04180000 | Lake Superior | |
1709835 | WI | Ashland | Chequamegon Bay | 2020 | 04180000 | Lake Superior | |
1709840 | WI | Douglas | St. Louis River | 2020 | 04180000 | Lake Superior | |
1709842 | WI | Douglas | St. Louis River | 2020 | 04180000 | Lake Superior | |
1709846 | WI | Douglas | St. Louis River | 2020 | 04180000 | Lake Superior | |
1709854 | WI | Douglas | St. Louis River | 2020 | 04180000 | Lake Superior | |
1709857 | WI | Douglas | St. Louis River | 2020 | 04180000 | Lake Superior | |
1709859 | WI | Douglas | St. Louis River | 2020 | 04180000 | Lake Superior | |
1709864 | WI | Douglas | St. Louis River | 2020 | 04180000 | Lake Superior | |
1709865 | WI | Bayfield | Chequamegon Bay | 2020 | 04180000 | Lake Superior | |
1710145 | WI | Bayfield | Apostle Island Marina | 2014 | 04180000 | Lake Superior | |
1710146 | WI | Bayfield | Apostle Island Marina | 2014 | 04180000 | Lake Superior | |
1710147 | WI | Bayfield | Apostle Island Marina | 2014 | 04180000 | Lake Superior | |
1710148 | WI | Bayfield | Apostle Island Marina | 2014 | 04180000 | Lake Superior | |
1710149 | WI | Bayfield | Apostle Island Marina | 2014 | 04180000 | Lake Superior | |
1710150 | WI | Bayfield | Apostle Island Marina | 2014 | 04180000 | Lake Superior | |
1710179 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710180 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710181 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710182 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710183 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710184 | WI | Bayfield | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710185 | WI | Bayfield | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710187 | WI | Bayfield | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710188 | WI | Bayfield | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710189 | WI | Bayfield | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710190 | WI | Bayfield | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710191 | WI | Bayfield | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710192 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710193 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710196 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710197 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710198 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710199 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710200 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710202 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710203 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710204 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710205 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710206 | WI | Ashland | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710207 | WI | Bayfield | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710208 | WI | Bayfield | Chequamegon Bay | 2014 | 04180000 | Lake Superior | |
1710211 | WI | Bayfield | Washburn Marina | 2015 | 04180000 | Lake Superior | |
1710216 | WI | Bayfield | Washburn Marina | 2015 | 04180000 | Lake Superior | |
1710233 | WI | Douglas | St. Louis River | 2015 | 04180000 | Lake Superior | |
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: 2/16/2025