Is there , then sweet.
Heva, try & track them down then, beautiful fish, pretty placid to for a cichlid too. They grow to 30 cm & are mouthbrooders. Keep 1 male with several females.
I have 1- 20 cm male with 2 -15 cm females, in a 6 foot tank.though looking for more girls.
Doc what is the damage on these in your parts????
As for Geophagus, keep a pair in a 4 footer, Ira's info is right too, they like to dig around the upper layers of sand, searching for food, ph 6-7.5,temp26-30 degrees & they like large shelters, eg;roots
Frenchy