Since all your cichlids are territorial, I believe the best way to add the cichlids, is all at once.
If you add them one at a time, the first will always consider the entire tank its territory, and kill or die for it.
By adding them all at once, you take away the advantage of one over the other, and the innate instinct to defend.
If you add them one at a time, the first will always consider the entire tank its territory, and kill or die for it.
By adding them all at once, you take away the advantage of one over the other, and the innate instinct to defend.
