Pajama Cardinal Bully

I've had two Pajama Cardinals in my 29g QT for about 4 weeks. One is bigger than the other and the bigger one sometimes picks on the smaller. No wounds, but still a bit of bullying. I'm about to move them to my 75g DT, but I'm a little concerned the bigger Pajama will also pick on my two smaller clowns. Am I overreacting? Should I move the smaller Pajama first and keep the bigger one in QT a little longer. (Not sure if that makes sense or not). Just looking for feedback. Thanks in advance!!

 

The Clowns pose much more of a threat then the Cardinals.I would add the smaller Cardinal first and then the larger in a week or so; they should be fine.The bullying between the Cardinals should improve with the added space.

 

Thanks for the response!