Invasive carp are slowly making their way up the Mississippi River and its tributaries, and have been found as far north as Minnesota, including individual silver and bighead carps within the Mississippi National River and Recreation Area. These captive fish eventually escaped into the Mississippi River basin and established breeding populations. in the 1970's to control algae, weed, and parasite growth in aquatic farms, weeds in canal systems, and as one form of sewage treatment.
These four species of fish were introduced to the U.S. The newest carp invaders, bighead carp, black carp, grass carp, and silver carp (collectively known as "invasive carp"), however, are causing their own brand of trouble in the Mississippi River and rivers and lakes within the Mississippi rivershed. The common carp ( Cyprinus carpio) has been in the US for over 100 years. United States Geological Survey What are carp?Ĭarp are a family of fish native to Europe and Asia. Invasive carp get really big! This particular Bighead carp is about to be studied by USGS scientists
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