Definition of hermit crab Hermit crab
her•mit crab
We found 3 definitions of hermit crab from 3 different sources.
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What does hermit crab mean?
WordNet
Noun |
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| hermit crab - small soft-bodied marine crustaceans living in cast-off shells of gastropods | ||
| decapod crustacean, decapod crustaceans characteristically having five pairs of locomotor appendages each joined to a segment of the thorax | ||
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Wiktionary 
Wikipedia 
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The hermit crab is a type of crab that doesn't have a very hard shell. Not a true crab, it uses other animals' old shells for protection; they especially like old whelk shells. As the hermit crab grows in size, it must find a larger shell.
Description.
The hermit crab is a crustacean; there are about 500 different species of hermit crabs around the world. Most hermit crab species live on the ocean floor, but many live on land. Female terrestrial (land based) hermit crabs must return to the sea to breed.
Diet.
Hermit crabs are omnivores (eating plants and animals) and scavengers (eating dead animals that they find). They eat worms, plankton, and organic debris.
