GLANSIS

Gymnocephalus cernua

Ruffe

Collection Information for Gymnocephalus cernua

Results limited to HUC #04020102.
To see the collection list for the entire Great Lakes region, click here.
To see the collection list for the entire United States, click here.
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Specimen ID	State	County	Locality	Year	HUC Number	Drainage Name	Status
35378	MI	Ontonagon	Ontonagon River, a tributary of Lake Superior, just upstream from the mouth	1994	04020102	Ontonagon	established
35613	MI	Ontonagon	Ontonagon River	1998	04020102	Ontonagon	established
35362	MI	Ontonagon	Ontonagon River [near mouth]	1999	04020102	Ontonagon	established
35363	MI	Ontonagon	Ontonagon River [near mouth]	1999	04020102	Ontonagon	established
156383	MI	Ontonagon	Ontonagon River	2000	04020102	Ontonagon	established
156384	MI	Ontonagon	Ontonagon River	2000	04020102	Ontonagon	established
156385	MI	Ontonagon	Ontonagon River	2000	04020102	Ontonagon	established
156409	MI	Ontonagon	Ontonagon River	2001	04020102	Ontonagon	established
156410	MI	Ontonagon	Ontonagon River	2001	04020102	Ontonagon	established
156411	MI	Ontonagon	Ontonagon River	2001	04020102	Ontonagon	established
159009	MI	Ontonagon	Ontonagon River	2002	04020102	Ontonagon	established
159010	MI	Ontonagon	Ontonagon River	2002	04020102	Ontonagon	established
159011	MI	Ontonagon	Ontonagon River	2002	04020102	Ontonagon	established
159025	MI	Ontonagon	Ontonagon River	2002	04020102	Ontonagon	established
159026	MI	Ontonagon	Ontonagon River	2002	04020102	Ontonagon	established
159077	MI	Ontonagon	Ontonagon River	2003	04020102	Ontonagon	established
159078	MI	Ontonagon	Ontonagon River	2003	04020102	Ontonagon	established
159079	MI	Ontonagon	Ontonagon River	2003	04020102	Ontonagon	established
159082	MI	Ontonagon	Ontonagon River	2003	04020102	Ontonagon	established
159083	MI	Ontonagon	Ontonagon River	2003	04020102	Ontonagon	established
159085	MI	Ontonagon	Ontonagon River	2003	04020102	Ontonagon	established
159118	MI	Ontonagon	Ontonagon River	2003	04020102	Ontonagon	established
159119	MI	Ontonagon	Ontonagon River	2003	04020102	Ontonagon	established
159120	MI	Ontonagon	Ontonagon River	2003	04020102	Ontonagon	established
159145	MI	Ontonagon	Ontonagon River [near mouth]	2004	04020102	Ontonagon	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: 12/11/2025