Originally Posted by NateP206
overstocked?
nate
Greatly!
The Unicorns, alone, will outgrow that tank. You could get away with the 3 Yellows and a male/female Naso.
For the Butterflys, I'd knock it down to 2 - 3, at the absolute most, if you dont want territorial issues.
After all of that, though, you're not gonna have much room for anymore fish.