My oscars are now 4.5". I fed them blood worms and ghost shrimp. But read that live food isn't good for daily diet.I google some good pellets & bought 1 hikari cichlid bio gold and a new life spectrum cichlisoma formula. But the matter is I tried both. But my oscars dislikes these and hardly eat one or two.what will I do?plz help...all suggessions r most welcome....