Gymnocephalus cernua
Gymnocephalus cernua
(Ruffe)
Fishes
Exotic
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464 results for Gymnocephalus cernua (Ruffe)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
586836 WIDouglas[No locality description provided by MARIS]2004 04010201 St. Louisestablished
586829 WIDouglas[No locality description provided by MARIS]2006 04010201 St. Louisestablished
586837 WIDouglas[No locality description provided by MARIS]2007 04010201 St. Louisestablished
586838 WIDouglas[No locality description provided by MARIS]2008 04010201 St. Louisestablished
1605693 WIDouglas[No locality description provided]2015 04010201 St. Louisestablished
1606142 WIDouglas[No locality description provided]2016 04010201 St. Louisestablished
1889581 WIDouglas[No locality description provided]2025 04010201 St. Louis 
792962 WIDouglas[No specific locality provided]1999 04010201 St. Louisestablished
792964 WIDouglas[No specific locality provided]2001 04010201 St. Louisestablished
792966 WIDouglas[No specific locality provided]2002 04010201 St. Louisestablished
792968 WIDouglas[No specific locality provided]2003 04010201 St. Louisestablished
1906323 WIDouglasLake Superior, at St. Louis River, MN/WI2010 04010201 St. Louis 
1906330 WIDouglasLake Superior, at St. Louis River, MN/WI2010 04010201 St. Louis 
1906333 WIDouglasLake Superior, at St. Louis River, MN/WI2010 04010201 St. Louis 
1906337 WIDouglasLake Superior, at St. Louis River, MN/WI2010 04010201 St. Louis 
1906340 WIDouglasLake Superior, at St. Louis River, MN/WI2010 04010201 St. Louis 
1906429 WIDouglasLake Superior, at St. Louis River, MN/WI2010 04010201 St. Louis 
1906565 WIDouglasLake Superior, at St. Louis River, MN/WI2011 04010201 St. Louis 
1906621 WIDouglasLake Superior, at St. Louis River, MN/WI2011 04010201 St. Louis 
1906631 WIDouglasLake Superior, at St. Louis River, MN/WI2011 04010201 St. Louis 
1906636 WIDouglasLake Superior, at St. Louis River, MN/WI2011 04010201 St. Louis 
1906639 WIDouglasLake Superior, at St. Louis River, MN/WI2011 04010201 St. Louis 
1906652 WIDouglasLake Superior, at St. Louis River, MN/WI2011 04010201 St. Louis 
1906703 WIDouglasLake Superior, at St. Louis River, MN/WI2012 04010201 St. Louis 
1906708 WIDouglasLake Superior, at St. Louis River, MN/WI2012 04010201 St. Louis 
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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 [4/9/2026].

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