Sen. Mitch McConnell, R-Ky., left, and Rep. James Comer, R-Ky., shake hands after pressing the power button for a bio-acoustic fish fence at the Barkley Lock and Dam where the Cumberland River meets ...

A demonstration of a Minnesota researcher's system for taking common carp from the electric trap onto a conveyor belt and out of the water. (YouTube Screenshot) A federally-funded study approved ...

Huge fish fences which are commonly used in tropical seas are causing extensive social, ecological and economic damage and are threatening marine biodiversity and human livelihoods, according to a new ...