Catching minnows or shad

Am wondering if I dropped a minnow trap down to bottom, 40 feet deep, in a marina boat stall, if I could catch any mminnows down there? Have no idea how deep they go. Anyone know?

that deep, but if there food and oxygen for them they may be there, in winter may be warmer water? try it, all you can do. good luck

Thanks for the reply diesel power 97. Don’t know if it is a dumb idea, but will give it a try. Nothing ventured, nothing gained as the old saying goes.