There are over 800 species of hermit crabs worldwide, and almost all are ocean dwellers—though people are likely most familiar with the dozen semi-terrestrial species, called land hermit crabs ...

Common Name: Fiddler crab Scientific Name: Uca spp. Adult Size: Around 2 inches long Lifespan: Up to 3 years in captivity ...

or the Strawberry-clawed hermit. The red coloration makes the new species stand out from other related crabs, researchers ...