👉 Elenchidae are a family of small, flat-bodied crustaceans that belong to the order Crustacea and have a wide range of life forms from freshwater to marine environments. They are known for their ability to grow up to 10 times larger than their bodies and have a variety of adaptations including long, slender spines along their bodies, which serve as protection against predators, and elongated eyes that can be used for vision in low light conditions. Elenchidae