Mine is very hardy, colour doesn't fade (i've never heard of this happening to anyone). Eats everything including xenia, i had a HUGE colony and he devoured it within a couple days. I have seen him pick at a dying acan but never any other corals. Never got stung and hope I never will. I'm actually thinking of replacing him with a tang but i'm undecided and might just add a tang since I only have 1 large fish in a 112 gallon.
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