Don't be fooled by the sea cucumber's unassuming, leathery lump on the ocean floor - it's a master of extreme survival. When threatened, it dramatically ejects its guts, tentacles, and even sticky respiratory tubules as a distracting trap for predators, then regenerates everything in weeks. These "Ocean Masters" liquefy their bodies to slip into crevices and endure the deep's harshest conditions, proving nature's underdogs are unstoppable.