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 ...

Scientists have long known that hermit crabs control their growth to fit in their shells. Now we know how they do it. New research suggests the answer isn’t simply that the crabs eat less. Instead, ...

Wearing shells painted in unnatural neon tones and housed within small wire cages, hermit crabs are commonly found in boardwalk shops down the shore — where they can face the same thoughtless ...