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Although many sources cite the record floods of the 1990s as the means by which Asian carp escaped aquaculture ponds into the Mississippi River, [35] this is apocryphal. There is at least one known escape of bighead carp from aquaculture ponds in 1995, but bighead and silver carp were established in the Mississippi River basin prior to 1990.
Asian carp is an informal grouping of several species of cyprinid freshwater fishes native to Eurasia, commonly referring to the four East Asian species silver carp, bighead carp, grass carp (a.k.a. white amur) and black carp (a.k.a. black amur), [note 1] which were introduced to North America during the 1970s and now regarded as invasive in the United States.
Since June 9, 2015, the lock has remained closed to prevent the spread of invasive Asian Carp. [2] Located within the Mississippi National River and Recreation Area . Lower Saint Anthony Falls Lock and Dam
It was the largest single capture of invasive carp so far in Wisconsin.
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The Mississippi River [b] is the primary river of the largest drainage basin in the United States. [c] ... Among the introductions are fish such as Asian carp, ...
In an effort to get more people eating Asian carp and help reduce the population, the invasive fish has a new name: Copi.