Can some people give me some advise on keeping earth eaters.. like substrate, food, best filter media, tank mates,they would be going into a 4ftx2ftx50cm tank, i have 2 rainbow cichlids 2 x long fin bn 2 x albino long fin bn and 1 feather fin cat which can be moved into my six foot if needed how many would be suitable in this tank?. I was looking and Geophagus sp. "Tapajos Orange Head" and Geophagus sp. "Rio Branco" or if there is others people recommend.I will want to buy some in the next few months.
Any help would be greatly appricated.