I have a powder blue tang that looks healthy and is eating normally, but I noticed white dots on him and was hoping I could get an opinion on whether it could be Ich or velvet or something else? This is the only fish in the tank with the dots. I got the fish about a month ago from Dr Reef, so I know it’s been through qt, and it was the most recent addition to the tank along with a rabbit fish and wrasse that all came together. I have a qt already up and running copper power treating a tuskfish I got from biota that was infested with Ich, so I could move him to the qt now but figured I would see what the professionals say before I stress him out and put him in a tank I know has Ich. Thanks in advance.