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Fun Facts About Hermit Crabs
Hermit crabs are fascinating little critters with quite a few surprises. These crustaceans belong to the superfamily Paguroidea. There are 7 different families and around 1100 species of hermit crabs living in many places around the world. All hermit crabs can be divided into two groups - aquatic and terrestrial. Interestingly, members of both groups breathe using gills. Aquatic hermit crabs get their oxygen from the water, while land hermit crabs need a humid environment to keep their gills moist. Marine hermit crabs can be found both in shallow coastal waters and in the deep sea.