The venustus really but the kiwinge does more chasing. Nobody messes with the venustus yet, but he is ahead of many of them on growth. The borleyi doesn't take much crap either.
I was thinking the Venustus would be
I had a young Fusco that was pretty mean
liked to pick fights
my P. Demasoni and S. Fryeri seemed to get the better of him
then he died over night
the Fusco reminded me a little of my Jaguar Cichlid
the way he would stretch his jaws
This is not the greatest picture, but it's the best I have here at work. This is my male Copadichromis trewavasae. When he is in the mood, he's a dark navy blue, almost to the point of being black, with a bright white mohawk down the back.