GloFish Special Flake Food is a colorful, four-flake blend containing specialized amino acids that make GloFish even brighter. Blue and black light highlights this food, making it fun to feed. Regularly feeding with this complete diet increases protein fluorescence, which makes these born-brilliant fish even more vibrant. While specially formulated for GloFish, this flake food is also a healthy, nutritionally complete food for the tropical community fish.