Not for nothing, but yumas are much more sought after than floridas. They also come in a much greater vareity of intense colors like bright red, pink, purple and green, etc etc. They usually go for much more than floridas as well. At the wholesale level a single yuma polyp can go 4 or even 6 times more than a single florida polyp. As far as moving in the tank. I wouldn't think they can go on a walkabout in a tank like an anemone would. Moving a little this way or that to account for better lighting from a different angle sure, but other than that I don't think so.