Angel w/ a discolored lip

fat_ed

Member
This weekend I added a flame angel to my tank after going through a two-week QT w/ no signs of ill-health. I noticed this morning that his lip appeared discolored on one side -- more pale in appearance than the other side of his lip. It appears to be rather mild, and he is eating well and appears quite active and happy. The lip does not appear to be swollen or cottony. Do I have any cause to be concerned? I do keep an elegance and torch coral among others, so there is a possibility that he was stung.
 
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