Ocean Nutrition Formula 1 Tropical and Marine Fish Food Flakes is a high-protein flake food for carnivorous and omnivorous tropical fish, especially marine species. These gourmet flakes are packed with fresh seafood ingredients (like fish, krill, and shrimp) to mimic the natural diet of reef fish, and they include added vitamins to support immune health. The flakes are highly palatable and easy to digest, promoting vibrant coloration and growth while producing less waste. Available in Multiple Sizes