Ctenopharyngodon idella
Ctenopharyngodon idella
(Grass Carp)

Impact ID3135
Impact TypePredation/Herbivory
Study TypeExperimental
Study LocationField
Impact DescriptionWhen stocked alone at rates of 40 (or more) per acre, Grass Carp (Ctenopharyngodon idella) effectively eliminated Chara spp., Potamogeton diversifolius, and Eurasian milloil Myriophyllum spicatum) in less than 99 days, and caused a decrease in the amount of waterhyacinths in 0.1-acre earthen ponds.
Great Lakes RegionNo

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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/18/2024].

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