This morning my naso was looking very stressed and wouldnt eat. Then i noticed two golden-ish spots on my powder blue tang. A couple hours later, a third had appeared. I quickly removed him and put him in a 5 gallon bucket. Now my question is: did i overreact? He was very active and eating fine. If this is a parasite, i do not want it spreading to my other fish. but is it necessary to put him through the stress of a move to a small space? I dont even know whats going on yet. I didnt notice any of those similar spots on the naso. She is currently huddled up in a corner not moving, doesnt look like she will make it. Before today, both fish looked fine and were eating well, as far as i noticed. Only recent addition has been a radiant wrasse one week ago. I was unable to quarantine because he needed a sand bed asap. I only just saw him yesterday, but he looked ok until he burrowed back into the sand. I am running a uv sterilizer. All params should be normal but i am going to check amm and nit. All other fish appear to be fine. What is my course of action here?