Just fine I believe my percula clownfish swimming from one side of the tank to the other although he stays the top of the tank. I have two firefish who are out and about now that my tang is gone and a cleaner shrimp who has no one to clean.
Found my tang dead yesterday, his body was stuck on one of my power heads but his body was completely gone only head and skeleton remained, didn't show any sign of stress or sickness any day prior, I had him for 13 years, he always remained small though never got full size. He was in a 85G tanks