geophagus

Hello, I have a 50 gallon tank with Fluval 405 (100 US gallon) canister filter Current fish; 1x Banded cichlid (Golden Severum) 8-8.5 inches 1x Torpedo Barb (Roseilene Shark) 4 inches 1x Electric Blue Crayfish 1x Some sort of Geophagus 4 inches, sold under Red headed tapjos, however looking at...