Ctenopharyngodon idella var. diploid
Ctenopharyngodon idella var. diploid
(Grass Carp (diploid))
Fishes
Exotic
Collection Info
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Species Profile
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25 results for Ctenopharyngodon idella var. diploid (Grass Carp (diploid))
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
28959 CA state non-specific1985 18000000 California Regionstocked
29260 CAEl Doradosmall farm pond in the foothills of El Dorado County1975 18020129 South Fork Americaneradicated
29171 CAImperialImperial and Coachella Irrigation districts1997 18100204 Salton Seaeradicated
28968 CAMendocinosmall pond near Fort Bragg1978 18010108 Big-Navarro-Garciastocked
29081 CANapaNapa County ranch1975 18050002 San Pablo Baystocked
29163 CASiskiyouMt. Shasta, private pond1985 18010207 Shastastocked
29579 CATehamasmall drainage in Tahema County; one pond is a quarter of a mile from Brannin Creek, 10 miles from the Sacramento River (3 ponds)1992 18020157 Big Chico Creek-Sacramento Riverstocked
29091 CAVenturaPadre Juan Canyon (on the coast)1974 18070101 Venturaeradicated
624566 IL Mississippi River, Pool 192013 07080104 Flint-Hendersonunknown
1725746 LAConcordiaLake Concordia2024 08040306 Bayou Cocodrie 
547110 LAPointe CoupeeFalse River2012 08070300 Lower Grandunknown
277472 LAPointe CoupeeMondu Lake2011 08070100 Lower Mississippi-Baton Rougeestablished
547105 LAPointe CoupeeMondu Lake [oxbox adjacent to Mississippi River]2011 08070100 Lower Mississippi-Baton Rougeunknown
277471 LAWest FelicianaMondu Lake2011 08070100 Lower Mississippi-Baton Rougeestablished
277470 LAWest FelicianaMondu Lake2011 08070100 Lower Mississippi-Baton Rougeestablished
1635470 MIMidlandTittabawassee River [in Midland]2020 04080201 Tittabawasseeunknown
877631 ON Lake Ontario, near Toronto, Ontario, Canada2015 04280002 Lake Ontariounknown
877630 ON Lake Ontario, near Toronto, Ontario, Canada2015 04280002 Lake Ontariounknown
877748 ON Lake Ontario, Toronto Islands, Toronto Harbour, Ontario, Canada2015 04280002 Lake Ontariounknown
877732 ON Lake Ontario, Toronto Islands, Toronto Harbour, Ontario, Canada2015 04280002 Lake Ontariounknown
877733 ON Lake Ontario, Toronto Islands, Toronto Harbour, Ontario, Canada2015 04280002 Lake Ontariounknown
860023 PAWestmorelandLoyalhanna Lake (Loyalhanna Creek)2015 05010008 Kiskiminetasunknown
1464217 UTEmeryGreen River2018 14060008 Lower Greenunknown
1464216 UTGrandGreen River2018 14060008 Lower Greenunknown
45156 VAAlbemarlepond just north of Charlottesville, (at South Fork Rivianna River Reservoir?)1994 02080204 Rivannaeradicated

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 [2/22/2026].

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