When we were kids we would catch them with our fingers. Net works good. They like to swim backwards so put the net behind them and use a stick in front of them and they swim into the net. You can also kick stones in the creek and have a net downstream to catch them.I actually did not know they were in PA...going to have to search for some...maybe keep them in one of my fish tanks. Besides dropping a trap, how else can you catch them?