t00lfan
New member
I noticed this blemish on the right side of the sailfin tang yesterday which he did not have the day before. Does anyone know what it could be? The blemish is about a quarter of an inch around and doesn't seem to be affecting breathing or stressing him out. I'm not sure if it is bacterial or parasitic. In the picture below you can see it looking like a whitish ring around a fleshy color spot. Please help if you may have seen this before so it doesn't progress. So far behavior and eating is normal.
