Scientists find success at repelling invasive carp by playing annoying sounds at them

Scientists find success at repelling invasive carp by playing annoying sounds at them

By Eleanor Lindenmayer

Source: Tri States Public Radio

5/22/2024

Credit: Will Budnick / USGS

For the last two years, researchers on the Mississippi River have been studying the effectiveness of underwater acoustics as an invasive carp deterrent.

Halfway through the study, the results are promising.

Marybeth Brey, a research fish biologist with the Geological Survey and Christa Woodley, a research biologist with the Army Corps of Engineers, co-lead the project.

They designed and installed a 16-speaker soundbar at Lock 19 in the Mississippi River, a section of the river between Keokuk, Iowa, and Hamilton, Illinois.

There are four types of invasive carp in the Mississippi, brought in intentionally in the late 60s and early 70s.

Mississippi River

Carp, Silver

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