Hermit crabs are fascinating little creatures that blend charm with an eccentric lifestyle. Unlike true crabs, these crustaceans don’t grow their own shells—they borrow empty ones, usually from sea snails, to protect their soft abdomens. As they grow, they must find larger shells, often competing with others in a kind of seaside game of musical chairs.
Found in both marine and terrestrial environments, hermit crabs are social animals. In the wild, they often live in large colonies, scuttling along beaches or tide pools in search of food and better homes. Their diet is varied, including everything from fruits and vegetables to small bits of fish and detritus.
Pet hermit crabs are surprisingly popular, but they require more care than people often realize. Proper humidity, temperature, and a variety of shells are essential to their health and happiness.
Whether you spot one on a beach or keep one as a pet, hermit crabs offer a fun glimpse into the creativity of evolution—proving that home is where the shell is.
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