Lots of info on here about crayfish. One thing for sure, bass and catfish love them. There are so many different species of crayfish. Some are considered invasive and different states have different laws about moving them. It is known that the invasive species can wipe out native crayfish.
The burrower kind can possibly cause pond damage. Many crayfish can come right out of your pond during wet weather and move across land to other bodies of water.
Papershells are very commonly stocked for bass ponds.
I would look into the possibility of trapping wild native crayfish from your area.
