Help, my clown's face seems to be eroding!

cotton0627

Member
I have only had this tank for about 5 months and have noticed that one of my ocellaris clownfish has undergone some transformations. First of all, he has become a very pale version of his bright orange original self. I have been told this may be a factor of diet, but my other 3 have shown no signs of this problem. Secondly, his pointed face has become blunt and he looks like an old man sucking on his dentures. Does anyone have any ideas as to what is causing this and how to treat it?
 
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