I just looked at my tank this morning to find my Coral Beauty Angel to be missing some fins. His tail and small side fins are all chewed on. I have had him for about 3-4 mos. and no problems. I have added a Raccoon Butterfly recently, but they swim around each other all the time. The angel seems to be acting a little weird, just staying in one corner of the tank right now. Usually he is roaming around the rock all day. He is eating right now, so I guess that is a good sign. Should I remove him or just keep the others fed more? I will be monitoring all day. Thanks