Asian Carp arrived in the United States in 1963 as part of an experiment to reduce nuisance vegetation without the use of poisons that might enter the food chain, and sewage treatment. Prior to the Clean Water Act, American rivers were often highly polluted and the bottom feeding varieties of carp excelled in sewage treatment lagoons. Bighead Carp. This species of Asian carp consume microscopic zooplankton. Zooplankton is an important part of the diet for many native fish such as shad, buffalo, and paddlefish.Larval sport fish such as crappie, bass, and bluegill also depend upon zooplankton in their early life stage.
Bighead and silver carp are the Asian carp species that pose the greatest, immediate threat to basins and reaches of rivers not yet colonized. Black carp also poses risk of establishment and ecologic impact. Grass carp have already become widely established. As large populations of Asian carp become established, cumulative effects of. Introduced Asian carp in North America pose a major threat to the ecology, environment, economy, and way of life in the Upper Midwest and Great Lakes region of the United States and Canada. Asian carp are a group of fish species, which include several known to be invasive, and represent the most urgent potential danger to the ecology of the Great Lakes.
However, new research was unable to redetect the presence of Asian carp, although several have been caught in Minnesota over the past two years. Possibilities of why Asian carp were not detected include a change in the method of sampling or a disappearance of the carp from Minnesota waterways.Kanji: 鯉. Asian carp can invade new bodies of water by accident. Anglers throwing cast nets for bait in the tailwaters of Kentucky and Barkley lakes or beneath locks and dams on the Ohio River may capture young Asian carp along with the native shad. Young Asian carp look exceptionally similar to .