They are pretty over rated, though.
if u thing there overated then keep about 15 to 20 of them and dont throw in no dumb goldfish or minnow throw in a large sunfish or bluegill and watch the fun.... i catch about a 7 inch bluegill with about 4 to 5 inches of girth and put him in with all my 2 inchers and they shred him.. its awesome..ill put my arm all the way to the bottom of a p tank if thers only 3 or 4 and they will run.. i will not do the same with a large number of them.

