What is this on my Dragon


Reefing newb
I have had my dragon for a while. My tank is very well acclimated and all parameters are good. I have a 37 gallon tank. Over a month ago I noticed a growth on my dragons face. I thought he got it caught on a rock so I was keeping an eye on it. Two to three weeks later I noticed one near his tail fin. He is eating great swimming great acting perfectly fine. I have not noticed any of this on any of my other fish. I'm wondering what this could be? I tried treating him with medication for bacteria in his food. After a week and a half at did nothing. So I stopped it. Sorry about the quality of the photo but as you know they don't stay still for pictures. But wondering if anyone has an idea what this is


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