These massive fish came from somebody who tried to keep them together with a couple of Parachromis motaguensis in a 2m long tank. It didn't go that well and I offered to help out.
This couple is really amazing, especially if you consider the size of the female: she is even more massive then the male. Both are 40 cm / 17.7 inch long.
In this video they meet the boss of the tank, the Amphilophus chancho:
This video shows the couple checking out the new tank: