Discover the intriguing life of Armadillidium vulgare, a terrestrial crustacean known as the pill bug. Its unique self-defense by rolling into a protective ball, pulmonary respiration, role as an organic matter recycler, and communication through pheromones make it a subject of research and an astonishing adaptation in various environments. Its nocturnal activity, surprising longevity, and global versatility provide a fascinating glimpse into the world of miniature biology.