The FishScience Tropical Granules recreates the natural, insect-based diet of most fish species in the wild. This meal has been specially formulated to promote health and ease digestion while reducing waste. It's environmentally friendly and sustainable reduces the use of sea-caught fish meal. All mid-water and bottom-feeding fish, including discus, angelfish, cichlids, barbs, catfish, and loach, will benefit from these slowly sinking granules. Spirulina algae, paprika, and krill are natural color enhancers.