I would like to add a Copperband Butterfly into my reef tank to battle some Aptasia. My tanks 60”x26”x24”. I do have a Sailfin Tang small to Med size. I have a choice of adding either a smaller Butterfly or a medium to Large. Both are eating mysis. My question is. Do I need to worry about aggression with the sailfin. I have a mimic and nasa tang but they are very docile. But Sailfins have a reputation. So what’s the best way to add the copperband?