Gymnocephalus cernua
Gymnocephalus cernua
(Ruffe)
Fishes
Exotic
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458 results for Gymnocephalus cernua (Ruffe)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
35650 MNCookLake Superior, at a power plant in Taconite Harbor, MN1997 04180000 Lake Superiorestablished
1710606 MNCookLake Superior, Michigan2000 04180000 Lake Superior 
1598201 MNLake[No locality description provided]2011 04180000 Lake Superiorestablished
1658414 MNLakeGooseberry River2017 04180000 Lake Superiorestablished
35894 MNLakeLake Superior outside of Two Harbors lat: 47 00.17N long: 91 40.81 W1995 04180000 Lake Superiorestablished
1736740 MNLakeLake Superior, approximately 1.7 miles northeast of Two Harbors harbor2024 04180000 Lake Superior 
1904974 MNLakeLake Superior, at Two Harbors, MN2017 04180000 Lake Superior 
1904977 MNLakeLake Superior, at Two Harbors, MN2017 04180000 Lake Superior 
1904981 MNLakeLake Superior, at Two Harbors, MN2017 04180000 Lake Superior 
1905319 MNLakeLake Superior, at Two Harbors, MN2018 04180000 Lake Superior 
1905322 MNLakeLake Superior, at Two Harbors, MN2018 04180000 Lake Superior 
1905325 MNLakeLake Superior, at Two Harbors, MN2018 04180000 Lake Superior 
1905331 MNLakeLake Superior, at Two Harbors, MN2018 04180000 Lake Superior 
1905334 MNLakeLake Superior, at Two Harbors, MN2018 04180000 Lake Superior 
1905337 MNLakeLake Superior, at Two Harbors, MN2018 04180000 Lake Superior 
1905938 MNLakeLake Superior, at Two Harbors, MN2019 04180000 Lake Superior 
1905932 MNLakeLake Superior, at Two Harbors, MN2019 04180000 Lake Superior 
1905940 MNLakeLake Superior, at Two Harbors, MN2019 04180000 Lake Superior 
1905936 MNLakeLake Superior, at Two Harbors, MN2019 04180000 Lake Superior 
1658430 MNLakeMn, Lake County, derived from map in original source2016 04010102 Beaver-Lesterestablished
1554515 MNSt. Louis[No locality description provided]2010 04010201 St. Louisestablished
1602007 MNSt. Louis[No locality description provided]2012 04180000 Lake Superiorestablished
1891238 MNSt. Louis[No locality description provided]2025 04180000 Lake Superior 
1685326 MNSt. LouisChester Creek1996 04010102 Beaver-Lesterunknown
1702355 MNSt. LouisDuluth Harbor in Lake Superior1987 04180000 Lake Superior 
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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 [4/8/2026].

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