What Is A Crustacean Exoskeleton?

What Is A Crustacean Exoskeleton? Crustaceans have a rigid exoskeleton, which is made of a layered cuticle, covering the soft body parts for protection from conspecific competitors and/or interspecific predators. Calcium carbonate adds rigidity to the crustacean cuticle, which consequently means that growth only occur at each molt. Do crustaceans have an exoskeleton? Crustaceans, like