They may not eat many fish, but they do go from pond to pond and carry all sorts of stuff with them...some of the ones in Texas have moss an inch thick on their back, no telling what's burried in there. I prefer target practice, it's not easy to make a head shot at 75 yards, and it keeps my .22 win mag dead on.

Once in a dense turtle pond I set a trot line with perch, the next morning, I caught 4 turtles. I also had a stringer of nice red-ear perch devoured when I left them unattended for a couple of hours.