As I said the common recommendation for any parachromis pair is a 6' tank. And that is go be kept by themselves. I know you would like us to suggest another fish because you want a community tank but really you can't have both a community tank and a mating pair with large aggressive cichlids in a tank this size. You need to decide if you want a pair or a community tank. But all I can do is recommend this bit of information. It is your tank, you can do what you want with it.
-Cage
No I was asking if I could add one more fish with the stock I have now with out doing the breeding pair and do the community set up
Sent from my iPhone using MonsterAquariaNetwork app