There has been a domestic dispute with one of the pair chasing the other away. With out knowing the sex of either, it would be difficult to say with certainty which sex is now tending the eggs. A few cichlids (such as jewel cichlids) will share egg fanning/tending duties to a fairly significant extent, though most CA/SA cichlids I know of, it's pretty much the exclusive resposibility of the female to tend the eggs, while the male guards and patrols the outer border. But I have had a few rare exceptions where the male chased the female away and took over egg tending duties, exclusively. So it is possible for the male to take over the job of caring for eggs .....though its rather unusual. Now when it comes to taking care of fry, males are often much more involved.