Gymnocephalus cernua
Gymnocephalus cernua
(Ruffe)
Fishes
Exotic
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97 results for Gymnocephalus cernua (Ruffe)
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Click here for listing in all states

Page:1234
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1549403 MIDelta[No locality description provided]2002 04190000 Lake Michiganestablished
1549408 MIDelta[No locality description provided]2004 04190000 Lake Michiganestablished
1421450 MIDeltaEscanaba - Little Bay De Noc2017 04190000 Lake Michiganunknown
1897727 MIDeltaLake Michigan, at Escanaba, MI2017 04190000 Lake Michigan 
1913360 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913369 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913358 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913366 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913357 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913359 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913361 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913362 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913363 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913364 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913365 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913367 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913368 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913370 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1913371 MIDeltaLake Michigan, at Escanaba, MI2022 04190000 Lake Michigan 
1917576 MIDeltaLake Michigan, at Escanaba, MI2023 04190000 Lake Michigan 
1917578 MIDeltaLake Michigan, at Escanaba, MI2023 04190000 Lake Michigan 
1917579 MIDeltaLake Michigan, at Escanaba, MI2023 04190000 Lake Michigan 
1917581 MIDeltaLake Michigan, at Escanaba, MI2023 04190000 Lake Michigan 
1916995 MIDeltaLake Michigan, at Escanaba, MI2023 04190000 Lake Michigan 
1917031 MIDeltaLake Michigan, at Escanaba, MI2023 04190000 Lake Michigan 
Page:1234

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.

Disclaimer:

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 [4/8/2026].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

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