Flathead catfish—native to the Mississippi River basin—were first detected in the Susquehanna River in Pennsylvania in 2002, ...

The catfish tipped the scales at 50 pounds, 7 ounces. The previous record was set in 2006 with a a 48-pound, 6-ounce flathead from the Blue Marsh Spillway,Berks County, the Fish & Boat Commission ...