Whereas other shrimp shed their old exoskeletons each summer in favor of new ones, the aegis shrimp simply adds a new layer every year until the shell is so hard, not even a blow from a trained pugilist can break through it.
Whereas other shrimp shed their old exoskeletons each summer in favor of new ones, the aegis shrimp simply adds a new layer every year until the shell is so hard, not even a blow from a trained pugilist can break through it.