Are Freshwater Crayfish Herbivores?

Are Freshwater Crayfish Herbivores? Crayfish are common to freshwater lakes and streams and typically hide underneath rocks and logs during the day. Although they are omnivorous, crayfish are active night hunters. They prey on snails, insect larvae, worms and tadpoles. Is crayfish herbivore carnivore or omnivore? Crayfish are not indiscriminate omnivores; in fact, they demonstrate