The Dottyback was the last addition. Added him about a month ago, had him in quarantine for about 5 weeks. In total I have had the fish a little over 2 months. I didn't treat him in quarantine because the LFS informed me that they treat all fish, I basically just wanted to keep him away from my main display. Then noticed this today. If it's ich I will definitely get him out and back into quarantine to treat.