Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
164461 | WI | Douglas | Lake Superior, Superior Harbor, Superior | 1994 | 04010201 | St. Louis | established |
164459 | WI | Douglas | Lake Superior, Superior Harbor, Superior | 1994 | 04010201 | St. Louis | established |
164462 | WI | Douglas | Lake Superior, Superior Harbor, Superior | 1994 | 04010201 | St. Louis | established |
159087 | WI | Douglas | St. Louis River | 2003 | 04010201 | St. Louis | established |
159088 | WI | Douglas | St. Louis River | 2003 | 04010201 | St. Louis | established |
159089 | WI | Douglas | St. Louis River | 2003 | 04010201 | St. Louis | established |
156412 | WI | Douglas | St. Louis River | 2001 | 04010201 | St. Louis | established |
156386 | WI | Douglas | St. Louis River | 2000 | 04010201 | St. Louis | established |
156413 | WI | Douglas | St. Louis River | 2001 | 04010201 | St. Louis | established |
156414 | WI | Douglas | St. Louis River | 2001 | 04010201 | St. Louis | established |
156388 | WI | Douglas | St. Louis River | 2000 | 04010201 | St. Louis | established |
156387 | WI | Douglas | St. Louis River | 2000 | 04010201 | St. Louis | established |
46608 | WI | Douglas | St. Louis River | 1998 | 04010201 | St. Louis | established |
46610 | WI | Douglas | St. Louis River | 1998 | 04010201 | St. Louis | established |
46609 | WI | Douglas | St. Louis River | 1998 | 04010201 | St. Louis | established |
46335 | WI | Douglas | St. Louis River near Lake Superior | 1986 | 04010201 | St. Louis | established |
46333 | WI | Douglas | St. Louis River near Lake Superior | 1987 | 04010201 | St. Louis | established |
792936 | WI | Douglas | St Louis River at RM 3 | 1991 | 04010201 | St. Louis | established |
792947 | WI | Douglas | St Louis River at RM 3 | 1992 | 04010201 | St. Louis | established |
792929 | WI | Douglas | St Louis River at RM 3 | 1989 | 04010201 | St. Louis | established |
792937 | WI | Douglas | St Louis River at RM 4 | 1991 | 04010201 | St. Louis | established |
792946 | WI | Douglas | St Louis River at RM 5.7 | 1992 | 04010201 | St. Louis | established |
792931 | WI | Douglas | St Louis River at RM 5.7 | 1989 | 04010201 | St. Louis | established |
792932 | WI | Douglas | St Louis River at RM 0.1 | 1990 | 04010201 | St. Louis | established |
792935 | WI | Douglas | St Louis River at RM 0.1 | 1991 | 04010201 | St. Louis | established |
792928 | WI | Douglas | St Louis River at RM 0 | 1987 | 04010201 | St. Louis | established |
792962 | WI | Douglas | [No specific locality provided] | 1999 | 04010201 | St. Louis | established |
792964 | WI | Douglas | [No specific locality provided] | 2001 | 04010201 | St. Louis | established |
792966 | WI | Douglas | [No specific locality provided] | 2002 | 04010201 | St. Louis | established |
792968 | WI | Douglas | [No specific locality provided] | 2003 | 04010201 | St. Louis | established |
792973 | WI | Douglas | Newton Creek | 2008 | 04010201 | St. Louis | established |
792945 | WI | Douglas | St Louis River at RM 0.1 | 1992 | 04010201 | St. Louis | established |
792976 | WI | Douglas | Pokegama River | 2012 | 04010201 | St. Louis | established |
849273 | WI | Douglas | Pokegama River at Billings Dr, near Pokegama Bay | 2012 | 04010201 | St. Louis | established |
586829 | WI | Douglas | [No locality description provided by MARIS] | 2006 | 04010201 | St. Louis | established |
586836 | WI | Douglas | [No locality description provided by MARIS] | 2004 | 04010201 | St. Louis | established |
586837 | WI | Douglas | [No locality description provided by MARIS] | 2007 | 04010201 | St. Louis | established |
586838 | WI | Douglas | [No locality description provided by MARIS] | 2008 | 04010201 | St. Louis | established |
1247612 | WI | Douglas | St. Louis River, at mouth in Superior | 2015 | 04010201 | St. Louis | established |
1247614 | WI | Douglas | Lake Superior, St. Louis River | 2015 | 04010201 | St. Louis | established |
1401317 | WI | Douglas | St. Louis River | 2014 | 04010201 | St. Louis | established |
1401303 | WI | Douglas | St. Louis River | 2009 | 04010201 | St. Louis | established |
1401306 | WI | Douglas | St. Louis River | 2016 | 04010201 | St. Louis | established |
1401324 | WI | Douglas | St. Louis River | 2013 | 04010201 | St. Louis | established |
1401331 | WI | Douglas | St. Louis River | 2015 | 04010201 | St. Louis | established |
1401333 | WI | Douglas | St. Louis River | 2014 | 04010201 | St. Louis | established |
1401338 | WI | Douglas | St. Louis River | 2016 | 04010201 | St. Louis | established |
1401339 | WI | Douglas | St. Louis River | 2011 | 04010201 | St. Louis | established |
1401340 | WI | Douglas | St. Louis River | 2013 | 04010201 | St. Louis | established |
1401345 | WI | Douglas | St. Louis River | 2011 | 04010201 | St. Louis | established |
1401355 | WI | Douglas | St. Louis River | 2016 | 04010201 | St. Louis | established |
1401371 | WI | Douglas | St. Louis River | 2010 | 04010201 | St. Louis | established |
1401378 | WI | Douglas | St. Louis River | 2015 | 04010201 | St. Louis | established |
1401385 | WI | Douglas | St. Louis River | 2012 | 04010201 | St. Louis | established |
1401387 | WI | Douglas | St. Louis River | 2016 | 04010201 | St. Louis | established |
1401393 | WI | Douglas | St. Louis River | 2014 | 04010201 | St. Louis | established |
1401396 | WI | Douglas | St. Louis River | 2012 | 04010201 | St. Louis | established |
1401398 | WI | Douglas | St. Louis River | 2016 | 04010201 | St. Louis | established |
1401408 | WI | Douglas | St. Louis River | 2012 | 04010201 | St. Louis | established |
1401409 | WI | Douglas | St. Louis River | 2012 | 04010201 | St. Louis | established |
1401410 | WI | Douglas | St. Louis River | 2016 | 04010201 | St. Louis | established |
1401413 | WI | Douglas | St. Louis River | 2011 | 04010201 | St. Louis | established |
1401417 | WI | Douglas | St. Louis River | 2008 | 04010201 | St. Louis | established |
1401428 | WI | Douglas | St. Louis River | 2012 | 04010201 | St. Louis | established |
1401461 | WI | Douglas | St. Louis River | 2010 | 04010201 | St. Louis | established |
1401466 | WI | Douglas | St. Louis River | 2011 | 04010201 | St. Louis | established |
1401468 | WI | Douglas | St. Louis River | 2012 | 04010201 | St. Louis | established |
1401486 | WI | Douglas | St. Louis River | 2012 | 04010201 | St. Louis | established |
1401490 | WI | Douglas | St. Louis River | 2008 | 04010201 | St. Louis | established |
1401495 | WI | Douglas | St. Louis River | 2009 | 04010201 | St. Louis | established |
1401506 | WI | Douglas | St. Louis River | 2016 | 04010201 | St. Louis | established |
1401515 | WI | Douglas | St. Louis River | 2010 | 04010201 | St. Louis | established |
1401525 | WI | Douglas | St. Louis River | 2010 | 04010201 | St. Louis | established |
1401531 | WI | Douglas | St. Louis River | 2008 | 04010201 | St. Louis | established |
1401535 | WI | Douglas | St. Louis River | 2014 | 04010201 | St. Louis | established |
1401550 | WI | Douglas | St. Louis River | 2010 | 04010201 | St. Louis | established |
1401554 | WI | Douglas | St. Louis River | 2011 | 04010201 | St. Louis | established |
1401556 | WI | Douglas | St. Louis River | 2012 | 04010201 | St. Louis | established |
1401559 | WI | Douglas | St. Louis River | 2016 | 04010201 | St. Louis | established |
1401567 | WI | Douglas | St. Louis River | 2010 | 04010201 | St. Louis | established |
1401574 | WI | Douglas | St. Louis River | 2012 | 04010201 | St. Louis | established |
1401576 | WI | Douglas | St. Louis River | 2009 | 04010201 | St. Louis | established |
1401585 | WI | Douglas | St. Louis River | 2014 | 04010201 | St. Louis | established |
1401597 | WI | Douglas | St. Louis River | 2014 | 04010201 | St. Louis | established |
1605693 | WI | Douglas | [No locality description provided] | 2015 | 04010201 | St. Louis | established |
1606142 | WI | Douglas | [No locality description provided] | 2016 | 04010201 | St. Louis | 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: 4/27/2025