Fluval Bug Bites Insect Color Enhancing Flakes for Small-Medium Tropical Fish Food are specialized insect-based flake food formulated to enhance fish coloration. It includes Black Soldier Fly larvae and other premium proteins, plus added nutrients like carotenoids to naturally boost the vibrant colors of tropical fish. This highly palatable flake supports overall health while bringing out the brightest hues in your fish. Available in Multiple Sizes