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.
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.