Originally Posted by Fishguy2727
Domino 6", blue velvet 6", just to name a couple. Depending on where you look them up the numbers vary. Even if they all only hit 3" that is way too many fish that are way too aggressive in way too small of a tank.
You didn't say some
species, though, you said most
. A few species reaching 6" is a little different than most Damsels reaching 8"+.