The Mantis Shrimp Punches With the Force of a Bullet

The mantis shrimp, a creature barely longer than a pencil, can accelerate its raptorial claws to 50 miles per hour in just milliseconds. The impact generates a shock wave powerful enough to stun or kill prey from a distance, even if the strike misses entirely. This capability rivals a 22-caliber bullet in raw force, yet the mantis shrimp's claws are made of the same material as insect exoskeletons. What makes this even stranger is how the shrimp avoids breaking its own limbs. Its claw is engineered with a specialized geometry and material composition that absorbs the energy of the impact before it can travel back up the appendage and cause injury. Scientists studying mantis shrimp punch mechanics have discovered that the internal structure includes a series of tiny columns that act like shock absorbers. The shrimp hunts in murky ocean depths where visibility is poor, so it relies on speed and raw force rather than stealth. It can deliver multiple strikes per second, making it one of the fastest predators in the animal kingdom relative to its size. The shock waves it creates are so violent they produce light in a phenomenon called sonoluminescence, though this is incidental rather than intentional on the shrimp's part.