[Grim-Bob had the same exact thing happen with his lps...and in his case the false perc went from head to head, hosting until the head died. Here is a LINK]
[ill get rid of the fish before the Torch. Ill watch and if he does kill a head..........HES GONE. He doesnt stay in it all day, he just swims in it occasionally. So ill just keep a close watch.]
[One of my clowns has been hosting in my lovely Alveopora. The coral was amazingly huge, and suddenly it was much smaller. I didn't know what the deal was, but soon figured it out. Well, it has been going on for about two months, and the coral seems to be doing well.
Here's a top down shot of the coral. The clown was away at that moment.