Sorry! But they are toxic to anything within a few inches. Mine has cleared the area around it of just about everything. At least you know before you loose corals.
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Thanks Greg and OP. I was completely unaware of this. I just separated them and there is a little recession on both. Its not real bad, but its not good. Now I have to decide which one I want... I don't have the room to separate them from one another and everything else.