Gymnocephalus cernua
Gymnocephalus cernua
(Ruffe)
Fishes
Exotic
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6 results for Gymnocephalus cernua (Ruffe)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1551789 WIMarinette[No locality description provided]2007 04190000 Lake Michiganestablished
1553057 WIMarinette[No locality description provided]2008 04190000 Lake Michiganestablished
792978 WIMarinetteGreen Bay2014 04190000 Lake Michiganestablished
792979 WIMarinetteGreen Bay2014 04190000 Lake Michiganestablished
252540 WIMarinetteGreen Bay [Lake Michigan] off Peshtigo Harbor2008 04190000 Lake Michiganunknown
242945 WIMarinetteGreen Bay of Lake Michigan about 1.5 miles SE of Marinette2007 04190000 Lake Michiganestablished

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/16/2026].

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