Looks good as is don't mess with it. I agree its not good to mix but disagree for the reason of water perimeters. Water has nothing to do with. None of your fish have seen wild conditions and have only known the region of the water the farm is in. SA/CA and old worlds speak a different language so when one would show colors saying I am submitting others will take those change in colors as aggression. New world go face to face when challenging and run away when they don't want to challenge africans keep chasing as part of the challenge.
I will mix some non less aggressive Africans and new worlds but I dont see it working in your current setup. Like I said before you have a beautiful set up don't mess with it.
I will mix some non less aggressive Africans and new worlds but I dont see it working in your current setup. Like I said before you have a beautiful set up don't mess with it.