Fluval Bug Bites Flakes are specifically formulated to address the natural, insect-based feeding habits of fish, with added vitamins, minerals and other trace nutrients important to their health and vitality. This fiber-enriched diet is specifically formulated to meet the nutritional needs of this cold-water species, supporting a healthier digestive tract for their overall well-being. A healthy dose of marigold extract is also included to help bring out vibrant yellow, orange and red pigments.