pufferfish omnivores

Are Puffer Fish Herbivores? Pufferfish are carnivores that primarily eat shellfish. Pufferfish may also supplement their diet with smaller fish that cross their path. Are puffer fish carnivores? All pufferfish are carnivores (meat eaters). Figure 8 pufferfish have two rows of teeth that allow them to crush hard shells to eat mollusks, krill, oysters, and