This is a great food to feed Discus, Flowerhorn, Angelfish and Plecos to give your fish a variety of protein and nutrition sources, all in one food, for hobbyist that do not want to buy multiple seperate, individual foods for variety. We recommend it in addition to Beef Heart Flake, which should be the primary Fish Food. It contains Earthworm Flake, Beef Heart Flake, Brine Shrimp Flake and Spirulina Flake. It is supplemented with color enhancers, vitamins, electrolytes and minerals