I guess I wasn't clear - bass certainly eat them but if the issue is not with forage and you have to rely on bass to eat them it might not be the best thing.

Like I said, we have worked on ponds where the crayfish have negatively impacted the fish because they wipe out the plants. There are too many crayfish and not enough fish to eat them. They definitely get too big for fish to eat if your issue is too many smaller fish.