He, too, started out with my expensive zoas all over him. But, for some unknown reason, he decided to switch to the blue sponge that was growing in my tank. He applied it to himself, and before I knew it, it had completely grown over him and was thriving! (you can see the little stalks of growth all over him).
I was moving my tank around when I grabbed him-thinking he was just another rock. When he moved-the scream could be heard for miles....
