I finally decided to set up the first aquarium in my life. It will be a 29 gallon fresh water tank. When I wandered in petsmart and aquatic shop I got seriously attracted by red parrot cichlids. I guess such a feeling has grown to illness now. The problem is, my tank is only 29 gallon. May I add 3 red parrots to my tank? I am actually thinking about 3 red parrot cichlids, 1 Osteoglossum bicirrohomus, 1 aglea eater, and maybe 3 black cilchlids as the same size of red parrots. I would appreciate any comment how to improve this set up. Thanks a lot.