Two titans of the tide pool go claw-to-claw in this epic underwater encounter! Watch as the lightning-fast mantis shrimp ...

Have you ever seen a hermit crab or owned one as a pet? These tiny decapod crustaceans are known for their interesting habit ...

Sometimes when a new shell turns up, hermit crabs will form a line, biggest to smallest, to see which animal fits the new shell. The next smallest will take that crab’s hand-me-down home ...

Hermit crabs are a common sight scuttling across ... most remodeling—and thus had the most valuable shells—had the largest penises. Laidre’s new study, published in the journal Royal Society ...

Hermit crabs scavenge for shells to protect their ... Want a quick and expert briefing on the biggest news stories? Listen to our latest podcasts to find out What You Need To Know ...