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Midwest states are spending millions to manage invasive carp in rivers and lakes. If left unchecked, conservation experts say the fish could wreak havoc on local ecosystems and fishing industries.

Marybeth Brey, a research fish biologist with the Geological Survey and Christa Woodley, a research biologist with the Army Corps of Engineers, designed and installed a 16-speaker soundbar at Lock 19 in the Mississippi, a section of the river between Keokuk and Hamilton.

Federal and state agencies spend millions of dollars every year to keep destructive invasive carp out of the Great Lakes. Meanwhile, at least 25 destructive species 鈥� like water fleas and bloody red shrimp 鈥� are inching closer to the Mississippi River Basin.

Las agencias federales y estatales gastan millones de d贸lares cada a帽o para mantener las carpas invasoras destructivas fuera de los Grandes Lagos. Mientras tanto, al menos 25 especies destructivas, como pulgas de agua y camarones rojos sangrientos, se est谩n acercando poco a poco a la cuenca del r铆o Mississippi.

The invasive fish species known as Asian carp now goes by 鈥渃opi,鈥� in an effort to get more of them out of Midwestern waterways and onto the dinner table.

Federal and Missouri state wildlife officials have successfully used a new technique to remove the majority of Asian carp from Creve Coeur Lake in St.鈥�

State and federal wildlife officials plan to pull out all the stops this month to eliminate Asian carp from Creve Coeur Lake in St. Louis County. The鈥�

This article first appeared in the St. Louis Beacon, March 21, 2013 - WASHINGTON 鈥� For Mayor Jo Anne Smiley of Clarksville, Mo., clean water is key, given鈥�

When the French explorer P猫re Marquette traveled down the Illinois River in 1673, his journal tells of encounters with 鈥渕onstrous fish鈥� so large they鈥�

The issue of keeping Asian carp out of the Great Lakes has implications for a variety of industries. Midwest officials are weighing a range of options,鈥�