I have 5 in my 225g.
Purple, 2 Yellow, Yellow Belly Blue Hippo, Blonde Naso.
Eventually when I upgrade to a 500+ I am planning on having:
Blonde Naso, Purple, Yellow, Achilles, Powder Blue, Hippo, Unicorn, Dussimier, Tenenti, Sohal, Tomini, Scopas and Convict.I sure hope they all get along : )