Specimen Information

Ctenopharyngodon idella var. diploid
Ctenopharyngodon idella var. diploid
(Grass Carp (diploid))
Fishes
Exotic

Specimen ID1757053
GroupFishes
GenusCtenopharyngodon
Speciesidella
Varietydiploid
Common NameGrass Carp (diploid)
StateWI
CountyMilwaukee
LocalityMilwaukee River
Mapping AccuracyAccurate
HUC8 NameMilwaukee
HUC8 Number04040003
HUC10 NameLower Milwaukee River-Frontal Lake Michigan
HUC10 Number0404000306
HUC12 NameMilwaukee River
HUC12 Number040400030606
Map
Collection Day19
Collection Month7
Collection Year2022
Year AccuracyActual
Reference 1
Ref. Number:44743
Author:Grass Carp Advisory Committee
Date:2024
Title:Records of Grass Carp in the Great Lakes derived from incidental collections and targeted removal efforts
Publisher:Great Lakes Fishery Commission
CommentsRecord is part of ongoing removal efforts for Grass Carp in the Great Lakes.
Record TypeLiterature
VerifierU.S. Fish and Wildlife Service
Freshwater/MarineFreshwater
Size1016 mm TL


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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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/23/2025].

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