How mantis shrimp evolved many shapes with same powerful punch

26 febrero 2015

The miniweight boxing title of the animal world belongs to the mantis shrimp, a cigar-sized crustacean whose front claws can deliver an explosive 60-mile-per-hour blow akin to a bullet leaving the barrel of a gun. A study of 80 million years of mantis shrimp evolution reveals how these fast weapons evolved their dizzying array of shapes — from spiny and barbed spears to hatchets and hammers — while still managing to pack their characteristic punch.