KurtG wrote:

I had my eye on Atlantic Tangs, but I'm resisting the urge to buy more
fish.

Keep resisting. I have a 125 gallon tank and, until recently, had an adult
powder blue. He/she apparently felt a bit too constrained in such a small tank
and would attack and frequently kill any new fish of any type (except lionfish).

George Patterson
Forgive your enemies. But always remember who they are.