I've heard about this before, and have watched it on t.v. You have to have some gulls to do this.
http://www.msnbc.msn.com/id/6763659Known variously as noodling or hogging, handfishing has long been a misdemeanor punishable by fines, because state officials fear it depletes breeding-age catfish. It can also be dangerous: Noodlers hold their breath for long periods under water and sometimes come up with fistfuls of agitated snakes or snapping turtles instead of fish.
I don't know about sticking my hand in that things mouth