I have this nice zoo that has about 5 little polyps that are kinda hanging off in the current. I have not felt them to see what exactly is under them (a small piece of rock) Anyway, since they are just hanging on, how do I move them to a new spot so they can grow? As I said, my biggest question revolves around the fact that I am not sure there is a piece of rock under them or not, I suspect not.