Aqueon® Tropical Flakes Color Enhancing Fish Food provides optimum nutrition for a wide array of tropical fish. They provide a healthy daily diet for proper growth and vitality and bring out natural colors in fish. Flake food floats at the surface of the water for fish to enjoy. The color enhancing formula has a higher concentration of ingredients that bring out the colors in fish such as: spirulina, marigold powder, chili powder, and more!