Medicine & TechnologyA new study confirms that the prehistoric penis worm priapulids were housed in cone-shaped hyolith shells, making the worms as the first inventor of hermit lifestyle seen in crabs today.
Researchers discover that other than polutting the world's oceans, discarded old car and truck tires trap crustaceans like hermit crabs in an inescapable prison of human debris.
When crabs fight for a shell, what is needed more, Muscle strength or aggression? A new study reveals a secret about hermit crabs or the cranky crabs regarding their shell battling.