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State and Federal Agencies join forces on the Tennessee River at Pickwick Lake to target silver carp. This effort is part of a U.S. Geological Survey study to track how this invasive fish is using Tennessee's waters. Acoustic tags were surgically implanted in 125 fish at Pickwick and 125 at Cheatham Lake on the Cumberland River. The goal is to monitor movements near locks and dams to better understand the upstream movements. Currently, the BioAcoustic Fish Fence installed at Barkley Dam is showi