I have a clown knife fish that is currently in a grow out tank... my question is: is it a good idea once my clown knife gets big, to put him in my backyard pond? the pond is about 4 feet deep (not sure how much gallon it holds) has a big pleco, a red tailed cat fish, a snapper size for my palm and a few goldfish + minnows.. im asking this cause i don't want anything to happen to my clown knife like stress him or something.(one of my fav. fish)