Ctenopharyngodon idella
Ctenopharyngodon idella
(Grass Carp)

56 results for Ctenopharyngodon idella (Grass Carp)
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Click here for listing in all states

Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
46545 Grass CarpWI state non-specific1975  eradicated
46546 Grass CarpWI state non-specific1975  eradicated
1467143 Grass CarpWI Wisconsin River, near Mazomanie, just upstream of a boat ramp2018 07070005 Lower Wisconsinunknown
263638 Grass CarpWIBuffaloMississippi River, Pool 41994 07040003 Buffalo-Whitewaterestablished
793257 Grass CarpWIDane[No specific locality provided]2011 07070005 Lower Wisconsinunknown
793255 Grass CarpWIDunn[No specific locality provided]2009 07050007 Red Cedarunknown
1427196 Grass CarpWIDunnRed Cedar River2009 07050007 Red Cedarestablished
1425942 Grass CarpWIGreenMaloney Ponds1975 07090004 Sugarestablished
46165 Grass CarpWILa CrosseLa Crosse County1984 07040006 La Crosse-Pinestocked
259418 Grass CarpWILa CrosseMississippi River, (R.M. 694.6) backwaters near the city of La Crosse2008 07040006 La Crosse-Pineunknown
1635402 Grass Carp (diploid)WILa CrosseMississippi River, at Green Island S of La Crosse2020 07040006 La Crosse-Pineunknown
1657486 Grass CarpWILa CrosseMississippi River, near LaCrosse2021 07040006 La Crosse-Pineunknown
793261 Grass CarpWIManitowocunnamed lake [private pond]1975 04030101 Manitowoc-Sheboyganunknown
793270 Grass CarpWIMilwaukee[unspecified water body in Milwaukee]2010 04040003 Milwaukeeunknown
46172 Grass CarpWIMilwaukeeBlue Mound Country Club pond1990 04040003 Milwaukeeeradicated
1424335 Grass CarpWIMilwaukeeKinnickinnic River2010 04040003 Milwaukeeestablished
793269 Grass CarpWIMilwaukeeKinnickinnic River2010 04040003 Milwaukeeunknown
1422667 Grass CarpWIMilwaukeeMenomonee River (Burnham Canal)2003 04040003 Milwaukeeestablished
1422703 Grass CarpWIMilwaukeeMenomonee River (Burnham Canal)2005 04040003 Milwaukeeestablished
1424627 Grass CarpWIMilwaukeeMilwaukee River1996 04040003 Milwaukeeestablished
1424638 Grass CarpWIMilwaukeeMilwaukee River1999 04040003 Milwaukeeestablished
588099 Grass CarpWIMilwaukeeMilwaukee River2003 04040003 Milwaukeestocked
1424616 Grass CarpWIMilwaukeeMilwaukee River2007 04040003 Milwaukeeestablished
793256 Grass CarpWIMilwaukeeMilwaukee River2009 04040003 Milwaukeeunknown
1425027 Grass CarpWIMilwaukeeMilwaukee River - Lake Michigan to North Avenue Dam1983 04040003 Milwaukeeestablished

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.


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. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/21/2023].

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