How-to guidance on raising a happy, healthy hermit crab Among the more unusual pets, hermit crabs are popular and easy to buy. They have distinct personalities, are active and curious, and their unique characteristics and low maintenance requirements make them good pets. This handy guide gives readers reliable advice on choosing a healthy hermit crab, selecting the proper housing, and bringing it home. It provides plenty of tips on feeding and health care, as well as having fun with a hermit crab (such as taking part in hermit crab races!).