So I have 2 Yellowtail Blue Damsels in my tank. One is very shy and hides in the reef/live rock the other is a little more active and swims about often. The more active one however likes to brush up and swim through my pulsating xenia. Do you think he needs an anemone? The last things I was going to add to my tank were a rose anemone and a clown, but now I'm concerned that the damsel and the clown will fight over the rose. What to do???