Sick Queen Angelfish

[Chatham486]

Just noticed some brown spots on the mouth area and gills; Fish appears happy. eating a lot.
Does anyone have an ideas.
Please see photos

 

[Maritimer]

Hi, Chatham486 - and welcome to Reef2Reef!

Based on that dark marking being pretty symmetrical and an area that's usually blue on adult queens, I'm suspecting that she may just be taking on some of her adult colors.

~B.