Just noticed this mark on my wrasse. He’s eating, acting fine, no other strange behaviors. It is however, my newest addition and one of the last additions. I haven’t seen any aggression issues either. I’ve been out of the hobby for 6 years and have had my tank up for a few months now. I am not quite as calm and confident as I was years ago. I do have a hospital tank if necessary, but what do y’all think is going on here? I am including two pictures of the side in question and one picture of healthy side. TIA




