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Red crabs - Christmas Island National Park - Parks Australia
Tens of millions of red crabs live on the island. They are the island's keystone species, recycling nutrients and shaping and maintaining the structure of the rainforests.
http://www.parksaustralia.gov.au/christmas/people-place/red-crabs.html
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Christmas Island Red Crab - Wikipedia, the free encyclopedia
The Christmas Island red crab (Gecarcoidea natalis) is a species of land crab that is endemic to Christmas Island and the Cocos (Keeling) Islands in the Indian Ocean.
https://en.wikipedia.org/wiki/Christmas_Island_red_crab
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Ghost crab - Wikipedia, the free encyclopedia
Ghost crabs are semiterrestrial crabs of the subfamily Ocypodinae. They are common shore crabs in tropical and subtropical regions throughout the world, inhabiting deep burrows in the intertidal zone.
https://en.wikipedia.org/wiki/Ghost_crab
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Fiddler crab - Wikipedia, the free encyclopedia
A fiddler crab, sometimes known as a calling crab, may be any of approximately 100 species of semi-terrestrial marine crabs which make up the genus Uca.
https://en.wikipedia.org/wiki/Fiddler_crab
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Callinectes sapidus - Wikipedia, the free encyclopedia
Callinectes sapidus, the blue crab, Atlantic blue crab, or regionally as the Chesapeake blue crab, is a species of crab native to the waters of the western Atlantic Ocean and the Gulf of Mexico, and introduced internationally.
https://en.wikipedia.org/wiki/Callinectes_sapidus
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Hermit crab - Wikipedia, the free encyclopedia
Hermit crabs are decapod crustaceans of the superfamily Paguroidea.
https://en.wikipedia.org/wiki/Hermit_crab
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National Aquarium - Blue Crab
Come see the blue crab at the national aquarium. General facts and information about the blue crab inside
http://www.aqua.org/explore/animals/blue-crab
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Crab - HowStuffWorks
Crab is a land- or water-dwelling crustacean with a short, flat body that is nearly circular. Learn more about the crab at HowStuffWorks.
http://animals.howstuffworks.com/marine-life/crustaceans.htm
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Blue Crabs, Blue Crab Pictures, Blue Crab Facts - National Geographic
Learn all you wanted to know about blue crabs with pictures, videos, photos, facts, and news from National Geographic.
http://animals.nationalgeographic.com/animals/invertebrates/blue-crab
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Crab (Brachyura) - Animals - A-Z Animals
General facts and taxonomy of crabs from A-Z Animals
http://a-z-animals.com/animals/crab/
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Crab - Wikipedia, the free encyclopedia
Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen), usually entirely hidden under the thorax.
https://en.wikipedia.org/wiki/Crab
