Disclaimer:

The Nonindigenous Occurrences section of the NAS species profiles has a new structure. The section is now dynamically updated from the NAS database to ensure that it contains the most current and accurate information. Occurrences are summarized in Table 1, alphabetically by state, with years of earliest and most recent observations, and the tally and names of drainages where the species was observed. The table contains hyperlinks to collections tables of specimens based on the states, years, and drainages selected. References to specimens that were not obtained through sighting reports and personal communications are found through the hyperlink in the Table 1 caption or through the individual specimens linked in the collections tables.




Ctenopharyngodon idella var. triploid
Ctenopharyngodon idella var. triploid
(Grass Carp (triploid))
Fishes
Exotic
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Ctenopharyngodon idella var. triploid (Valenciennes in Cuvier and Valenciennes, 1844)

Common name: Grass Carp (triploid)

Taxonomy: available through www.itis.govITIS logo

Native Range:
Hydrologic Unit Codes (HUCs) Explained
Interactive maps: Point Distribution Maps

Nonindigenous Occurrences:

Table 1. States with nonindigenous occurrences, the earliest and latest observations in each state, and the tally and names of HUCs with observations†. Names and dates are hyperlinked to their relevant specimen records. The list of references for all nonindigenous occurrences of Ctenopharyngodon idella var. triploid are found here.

StateFirst ObservedLast ObservedTotal HUCs with observations†HUCs with observations†
AL198919891Guntersville Lake
AZ200820081Lower Verde
CA198519852Salton Sea; Whitewater River
CO199319931Colorado Headwaters
CT199720171Housatonic
DE198719922Chincoteague; Mid Atlantic Region
FL197220106Florida Southeast Coast; Hillsborough; Lower Suwannee; Oklawaha; South Atlantic-Gulf Region; Upper St. Johns
GA1990201714Altamaha; Little; Lower Flint; Lower Oconee; Lower Savannah; Middle Chattahoochee-Lake Harding; Middle Flint; Oostanaula; Spring; Upper Coosa; Upper Flint; Upper Ocmulgee; Upper Oconee; Upper Savannah
IL199320206Chicago; Des Plaines; Little Calumet-Galien; Lower Illinois-Lake Chautauqua; Middle Wabash-Busseron; Upper Illinois
IN201220153Kankakee; Lake Michigan; Little Calumet-Galien
KY201720171Middle Ohio-Laughery
MI201220204Detroit; Lake Erie; Lake Huron; Ottawa-Stony
MO201120111Upper Black
NY201020192Irondequoit-Ninemile; Lake Erie
NC200020181Upper Catawba
OH2012202012Ashtabula-Chagrin; Black-Rocky; Cuyahoga; Lake Erie; Lower Maumee; Lower Scioto; Muskingum; Raccoon-Symmes; Sandusky; Upper Great Miami; Upper Ohio-Shade; Upper Scioto
OR198619931Siletz-Yaquina
PA201320151Upper Allegheny
SC198920062Lake Marion; Upper Broad
TN201820181Watts Bar Lake
TX1989201511Austin-Travis Lakes; Buffalo-San Jacinto; Lake O'the Pines; Lower Angelina; Lower West Fork Trinity; Middle Guadalupe; Middle Sabine; Navidad; Pedernales; Upper Neches; West Fork San Jacinto
VA1994201910Appomattox; Lower James; Middle Potomac-Anacostia-Occoquan; Middle Potomac-Catoctin; Pamunkey; South Fork Shenandoah; Upper Clinch; Upper James; Upper Roanoke; York
WA199219962Lower Columbia-Sandy; Lower Cowlitz
WV198519851Conococheague-Opequon
WI201120122La Crosse-Pine; Lower Wisconsin

Table last updated 10/17/2020

† Populations may not be currently present.


Other Resources:

Revision Date: 7/24/2019

Citation Information:
U.S. Geological Survey, 2020, Ctenopharyngodon idella var. triploid (Valenciennes in Cuvier and Valenciennes, 1844): U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=2948, Revision Date: 7/24/2019, Access Date: 10/21/2020

This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is 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 information.

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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [10/21/2020].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.