I've had 4 Flame angels. All did ok, didn't bother clams, softies, or zoos. The only problem I had is that they would seem to be ok, then after a month lose their color, and die a day or two later
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I may try again, although, I now have a Potter's angel that is doing great (longer than a month now) and he does nothing to the clams or anything either, he will nip at times some of my sps but just a quick peck and moves on.
Hope this helps...
