I don't have anywhere for him to go. So far he hasn't knocked anything down, just eats all of my coraline. I put algae clipped to the side and he does go there and eat also. I guess I just might have to take him into the LFS. Of my three tanks, 2 are reef, and the other has the trigger. I really like watching Arnold Swartzenpoker, but my coral are my main focus. I guess I could move him to my rubbermate QT tank.