umm floating cichlid pellets are a good staple diet
but yes a more varied diet is required
i feed my fish:
floating cichlid pellet (staple)
lizards
small frogs
boilled shrimp
boiled fish
small crabs
freeze dried krill
freeze dried tubifex
bottomfeeder food sinking pellets (for bottom feeders)
homemade blend of all the good stuff : crab meat, fresh wild caught ocean fish(caught by me), bannana, grapes, oysters, shrimp,lettuce, and vitamins.
oysters
corn green peas
green mango ( young mangoes)