Common name: grass carp x bighead carp
Identification: Similar to pure grass carp but with many features intermediate between the two parent species. Howells (1992) provided distinguishing features. Maximum size: Probably similar to grass carp, 75 -125 cm.
Native Range: None; artificial hybrid.
Interactive maps: Point Distribution Maps
Puerto Rico &
This hybrid has been reported from the Central Arizona Project (CAP) and interconnected Salt River Project (SRP) canals in Arizona (U.S. Fish and Wildlife Service 1994f). It was stocked in the Salton Sea, California (Dill and Cordone 1997). A specimen was collected in Orlando, Florida (Nico 2005). It was also sold and stocked in several locations in Texas in 1989 (Howells 1992a).
Means of Introduction: Intentionally stocked by the Texas Parks and Wildlife Department in 1989 (Howells 1992a).
Status: Reported in Arizona and Texas. Eradicated in California.
Impact of Introduction: It failed to control hydrilla in the Salton Sea.
Fact Sheet for Ctenopharyngodon idella
- USGS Nonindigenous Aquatic Species Database
Fact Sheet for Hypophthalmichthys nobilis - USGS Nonindigenous Aquatic Species Database
Revision Date: 4/11/2006
Peer Review Date: 4/1/2016
Fuller, P., 2018, Ctenopharyngodon x Hypophthalmichthys idella x nobilis: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?SpeciesID=515, Revision Date: 4/11/2006, Peer Review Date: 4/1/2016, Access Date: 1/17/2018
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.