Fluval Bug Bites Flakes are specifically formulated to address the natural, insect and plant-based feeding habits of fish, providing essential nutrients vital to their growth and development. As the first ingredient in this diet, Spirulina is a high-quality plant protein offering powerful color enhancement and healthy skin, scales and fins. This formula also includes 6 types of vegetables to support the general health of your fish, whether they're a carnivore, herbivore or omnivore.