I would watch putting crawdads in a pond due to the fact they dig holes. I would go with fathead minnows or other fish options. Mister Whiskers\Ken Jacobs hits alot of Southern states around Ky. You can contact him @ (270) 842-2555. Chuck
X2....watched crayfish repeatedly drain a buddy's attempt at a paylake...he finally drained it dry and spent almost $1000 on bentonite to try to seal the basin, it worked finally but the whole ordeal was an expensive headache.