When you’re a human, coming out of your shell is a journey toward self-actualization. When you’re a crab, coming out of your shell is a nightmare. Bad things happen when you come out of your shell, ...

For decades, biologists have known that hermit crabs forced to live in shells that are too small slow their growth. What wasn't clear was how they did it. New research suggests the answer isn't simply ...

Hermit crabs are fascinating. Not only do these crustaceans often grow into massive creatures, but they also change shells throughout their lives. Their appearance can vary depending on the size and ...

Tim Jerman, Hermit Crab, 2000, flameworked glass, Smithsonian American Art Museum, museum purchase through the Renwick Acquisitions Fund, 2000.26.1 When Tim Jerman was a child, he couldn’t decide ...