Ok you know them goldfish that get huge uuuhhhhh koi i think thats what you call them could i get some baby ones to feed ducks in pond when there babys there really small like minnow size so would it be okay to get some of them and put it in there pond for them to eat?Oh and also could i go down to the creek and get some crawfish (crawdads) to put in there pond to watch them eat?