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
1736427 MIChippewaNear De Tour Village in the the St. Mary's River2024 04200002 St. Marys 
1736570 MIChippewanear Raber Island in the Saint Marys River2024 04200002 St. Marys 
1736740 MNLakeLake Superior, approximately 1.7 miles northeast of Two Harbors harbor2024 04180000 Lake Superior 
1757545 ON St. Marys River, St. Joseph Channel2024 04200002 St. Marys 
1757546 ON St. Marys River, St. Joseph Channel2024 04200002 St. Marys 
1757547 ON St. Marys River, St. Joseph Channel2024 04200002 St. Marys 

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 [2/22/2026].

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