I have two 9 inch Red(although they're Orange.lol)Albino Oscars in my 90 gallon tank.Have them by themselves for about 4 months in this tank.Always get along well,never any aggression towards one another.They are constantly cleaning a large piece of slate with their mouths I have in the tank.And moving gravel around.They have been doing this for about 2 months.Other than that they show no breeding rituals,like lip locking or shaking towards one another.Never any breeding tubes showing either.Im thinking they might be 2 females?Really wanted to have a breeding pair.They are in my avatar.