Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
238693 | MI | Ontonagon | Misery River [NW corner of Ontonagon County] | 2006 | 04180000 | Lake Superior | established |
161261 | MI | Marquette | Lake Superior in lower Marquette Harbor | 2004 | 04180000 | Lake Superior | established |
163755 | MI | Ontonagon | Misery River, 1.6 km from the mouth at the Misery River dam [tributary of Lake Superior] | 2004 | 04180000 | Lake Superior | established |
238694 | MI | Chippewa | Tahquamenon River at the mouth into Lake Superior | 2006 | 04180000 | Lake Superior | established |
166707 | MI | Chippewa | Tahquamenon River at the mouth into Lake Superior | 2006 | 04180000 | Lake Superior | established |
166708 | MI | Alger | Lake Superior, in West Bay at Grand Marais | 2006 | 04180000 | Lake Superior | established |
238692 | MI | Luce | Lake Superior at Little Lake Harbor | 2006 | 04180000 | Lake Superior | established |
276480 | MI | Chippewa | Lake Superior, north of Whitefish Point [Upper Peninsula] | 2011 | 04180000 | Lake Superior | established |
276483 | MI | Chippewa | Lake Superior, near Tahquamenon Bay | 2011 | 04180000 | Lake Superior | established |
324371 | MI | Keweenaw | Lake Superior [west of Keweenaw Peninsula] | 2011 | 04180000 | Lake Superior | unknown |
324372 | MI | Keweenaw | Lake Superior [west of Keweenaw Peninsula] | 2012 | 04180000 | Lake Superior | established |
644328 | MI | Chippewa | Tahquamenon River, 100 m downstream from boat launch | 2014 | 04180000 | Lake Superior | established |
644331 | MI | Ontonagon | Misery River | 2014 | 04180000 | Lake Superior | established |
645244 | MI | Chippewa | Lake Superior, within 100m of the mouth of Pendills Creek on the east side of the mouth | 2014 | 04180000 | Lake Superior | established |
1247496 | MI | Chippewa | Lake Superior at Naomikong | 2014 | 04180000 | Lake Superior | established |
1247497 | MI | Chippewa | Lake Superior at Naomikong | 2014 | 04180000 | Lake Superior | established |
1247498 | MI | Chippewa | Lake Superior at Naomikong | 2014 | 04180000 | Lake Superior | established |
1247499 | MI | Chippewa | Lake Superior at Shallows | 2014 | 04180000 | Lake Superior | established |
1247500 | MI | Chippewa | Lake Superior at Shallows | 2014 | 04180000 | Lake Superior | established |
1247501 | MI | Chippewa | Lake Superior at Shallows | 2014 | 04180000 | Lake Superior | established |
1247504 | MI | Baraga | Lake Superior, Keweenaw Bay | 2015 | 04180000 | Lake Superior | established |
1247505 | MI | Baraga | Lake Superior, at Huron Bay | 2015 | 04180000 | Lake Superior | established |
1401293 | MI | Alger | Lake Superior at Grand Marais | 2016 | 04180000 | Lake Superior | established |
1401294 | MI | Alger | Lake Superior at Grand Marais | 2016 | 04180000 | Lake Superior | established |
1401295 | MI | Alger | Lake Superior at Grand Marais | 2016 | 04180000 | Lake Superior | established |
1401335 | MI | Baraga | Keweenaw Bay | 2016 | 04180000 | Lake Superior | established |
1695422 | MI | Chippewa | Tahquamenon River mouth area in Luce County, MI | 2022 | 04180000 | Lake Superior | established |
1401323 | MI | Marquette | Marquette Lower Harbor | 2016 | 04180000 | Lake Superior | established |
1401327 | MI | Baraga | Keweenaw Bay | 2016 | 04180000 | Lake Superior | established |
1401376 | MI | Baraga | Huron Bay | 2016 | 04180000 | Lake Superior | established |
1401507 | MI | Marquette | Marquette Upper Harbor | 2016 | 04180000 | Lake Superior | established |
1401539 | MI | Marquette | Marquette Lower Harbor | 2016 | 04180000 | Lake Superior | established |
1606117 | MI | Chippewa | [No locality description provided] | 2016 | 04180000 | Lake Superior | established |
Citation for this information:
U.S. Geological Survey, 2025,
Gymnocephalus cernua: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 4/28/2025