O.S.I Brine Shrimp Flakes contain a high level of protein from brine shrimp and other animal sources. This flake is ideal to feed to carnivorous fishes (cichlids and marine fish especially like it!). Brine Shrimp Flakes are a good substitute for live or frozen brine shrimp. These flakes also contain high levels of natural carotenoid pigments to bring out the red, orange and yellow colors of your fish. Crude Protein, min. 48% Crude Fat, min. 7% Strong Natural Attractants High Levels of Carotenoid Pigments Easy to Digest Contains Stabilized Vitamin C Never Clouds Aquarium Water Info from OSI