Asian carp

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Asian carp,

term for several large, hardy freshwater fish of the family Cyprinidae (the minnowminnow,
common name for the Cyprinidae, a large family of freshwater fish which includes the carp (Cyprinus carpio), and of which there are some 2,400 species. Minnows have soft-rayed fins and teeth in the throat only.
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 family) that are native to E Asia and have become invasive species in the United States. The fish, which can grow to more than 4 ft (1.2 m) and weigh more than 50 lb (23 kg), were introduced variously in the 1960s, 70s, and 80s to control algae and other vegetation in fish farms. Due to escape or release, the grass carp (Ctenopharyngodon idella), bighead carp (Hypophthalmichthys nobilis), silver carp (H. molitrix), and black carp (Mylopharyngodon piceus) have spread to numerous waterways in the Mississippi River basin. Their large size, rapid reproduction rate, and voracious appetites have led to the reduction of native fish stocks, and they have damaged habitats as well. Asian carp pose a significant risk to the ecosystem and fishing industry of the Great Lakes, and since 2002 the Army Corps of Engineers, the Environmental Protection Agency, the U.S. Fish and Wilflife Service, and other agencies have with limited success sought to prevent the carp from entering Lake Michigan from the Illinois River. Measures used have included the construction of electric barriers on the Chicago Sanitary and Ship Canal, poisoning, and encouraging the catching and eating of the fish. See also carpcarp,
hardy freshwater fish, Cyprinus carpio, the largest member of the minnow family; it is also known as the common carp. A native of Black, Caspian, and Aral sea basins of Eurasia, the carp has been introduced widely elsewhere in the world and has become so well
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. Asian carp are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, class Actinopterygii, order Cypriniformes, family Cyprinidae.
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References in periodicals archive ?
The effect of Asian carp on native fish and plankton communities are subjects of intense study, particularly in the Mississippi River basin (Williamson, 2004; Kolar et al.
Our primary objective was to estimate the presence of Asian carp in the diet of otters using scat analysis.
Asian carps pose a serious risk to the health of the Great Lakes ecosystem.
Asian carps can eat 20-40 per cent of their body weight each day.
Dear EarthTalk: What exactly are Asian carp and why are they such a big problem lately?
Asian carp are hardy, lay hundreds of thousands of eggs at a time and spread into new habitat quickly and easily.
Symposium on Invasive Asian Carps in North America: A Forum to Understand.
A good key to the identification of Asian carps is at anstaskforce.
The Kentucky Department of Fish and Wildlife Resources reports commercial anglers netted nearly 83,000 pounds of Asian carp during the country's first freshwater commercial fishing tournament.
Our efforts to date have prevented Asian Carp species, including Grass Carp, from establishing in the Great Lakes system.
The taste test showed that Asian carp were preferred nearly two to one over tilapia and catfish, regardless of cooking method.
Commercial fisheries for these non-native Asian carps have been limited due to low price and lack of demand for products derived from the fish.

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