Don't be fooled by the mantis shrimp's vibrant colors and tiny size - lurking in Red Sea crevices is one of Earth's most ferocious predators, armed with a club that strikes at bullet speeds of 50 mph, accelerating at 10,400 g to shatter crab shells and aquarium glass. Its dactyl club, reinforced with hydroxyapatite crystals in a shock-absorbing herringbone pattern, survives the onslaught while creating cavitation bubbles that boil water and deliver a stunning double punch. Dive deeper to uncover the ocean's ultimate heavyweight champion.