Gymnocephalus cernua
Gymnocephalus cernua
(Ruffe)
Fishes
Exotic
Collection Info
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15 results for Gymnocephalus cernua (Ruffe)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
46612 WIAshlandBad River1998 04010302 Bad-Montrealestablished
156391 WIAshlandBad River2001 04010302 Bad-Montrealestablished
156417 WIAshlandBad River2001 04010302 Bad-Montrealestablished
156418 WIAshlandBad River2001 04010302 Bad-Montrealestablished
156419 WIAshlandBad River2001 04010302 Bad-Montrealestablished
159074 WIAshlandBad River2003 04010302 Bad-Montrealestablished
159073 WIAshlandBad River2003 04010302 Bad-Montrealestablished
46188 WIAshlandBad River (100 yards upstream from mouth), southwest shore of Lake Superior about 15 miles east of Ashland.1993 04010302 Bad-Montrealestablished
792958 WIAshlandBad River at RM 0.11993 04010302 Bad-Montrealestablished
159023 WIAshlandLake Superior (nearshore off Bad River) (Station 20)2002 04010302 Bad-Montrealestablished
46613 WIAshlandLake Superior at mouth of Bad River1998 04010302 Bad-Montrealestablished
46578 WIAshlandWhite River at intersection of Hwy 13 [~5 mi S of Ashland, WI]1998 04010302 Bad-Montrealestablished
792982 WIIronLake Superior2014 04010302 Bad-Montrealestablished
263289 WIIronLake Superior at the mouth of the Oronto River1994 04010302 Bad-Montrealestablished
46209 WIIronOronto Creek, (Lake Superior) north of Saxon, WI1994 04010302 Bad-Montrealestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/28/2025].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.