Wanting to get either a couple Chrysiptera taupou or a couple starki's. I think I actually like the taupo better but I am concerned about aggression. I have kept Chrysiptera parasema in the past and they were fine. Mainly harassed each other a little but not really a big deal. Are the taupou pretty similar as far as aggression goes? They will be going in a 90gal. The only small fish in the 90 are a group of threadfin cardinals.