The Coconut Crab is the largest living arthropod (external skeleton) in the world. They can reach sizes of 16″ long and weigh 9lbs. They are found in South America. Generally nocturnal, they remain hidden during the day and emerge only on some nights to forage. Their body is divided into four regions; the cephalic lobe, forepart, trunk, and opisthosoma. It is a highly apomorphic hermit crab and is known for its ability to crack coconuts with its strong pincers to eat the contents.
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