No aggression other than when I added the purple tang and the Blue Throat Trigger. The Powder Blue Tang was upset. I distracted him with a mirror and he attacked the mirror for two days. I took the mirror away and now everyone gets along and the Powder Blue forgot about the new fish...
I have been in the hobby for six months. I have a 220 Gallon Mixed Reef Tank. Currently I have
1) Purple Tang
2) Blue Throat Trigger
3) Crosshatch Trigger
4) Convict Tang
5) Powder Tang
6) Diamond Goby
7) Three Clowns
8) Yellow Eye Tang
9) A bunch of snails, Clam, Spiny Sea Urchin...