Fluval Bug Bites Insect Flakes for Tropical Small-Medium Fish Food are complete daily food for tropical species, formulated with up to 40% nutrient-rich insect larvae to replicate fish’s natural diet. These flakes are enriched with multiple protein sources (including whole salmon) and fortified with vitamins and minerals, promoting healthy growth, strong coloration, and active foraging behavior in a wide variety of tropical fish. Available in Multiple Sizes