Specimen Information

Ctenopharyngodon idella var. triploid
Ctenopharyngodon idella var. triploid
(Grass Carp (triploid))
Fishes
Exotic
Collection Info
Point Map
Species Profile
Animated Map

Specimen ID879896
GroupFishes
GenusCtenopharyngodon
Speciesidella
Varietytriploid
Common NameGrass Carp (triploid)
StateIL
CountyCook
LocalityLake Calumet
Mapping AccuracyAccurate
HUC8 NameLittle Calumet-Galien
HUC8 Number04040001
HUC10 NameCalumet River-Frontal Lake Michigan
HUC10 Number0404000106
HUC12 NameCalumet River-Frontal Lake Michigan
HUC12 Number040400010606
Map
Collection Day3
Collection Month8
Collection Year2011
Year AccuracyActual
Potential Pathwaystocked for biocontrol | dispersed
Statusfailed
Reference 1
Ref. Number:25792
Author:Jenkins, Jill.
Date:2013
Title:Eyeball analysis of carp for ploidy determination 2004-2013.
Publisher:U.S. Geological Survey
Record TypeLiterature
Freshwater/MarineFreshwater
Number Collected2
Year Classadult
Size81.2, 99 cm TL

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/6/2025].

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.