Yes, A. bitaeniata is much harder to breed than A. cacatuoide. A. bitaeniata is a blackwater fish that requires very soft (<5º dH) and acid (< pH 6.0) water to consistantly breed. A. bitaeniata is more shy, too. I find that females are more successful with keeping broods if there is a dim (3 W) light on the tank at night.