Gecarcinus quadratus


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Gecarcinus quadratus, known as the red land crab, whitespot crab, halloween crab, moon crab, halloween moon crab, mouthless crab or harlequin land crab, is a colourful land crab from the family Gecarcinidae.

G. quadratus is found in mangrove, sand dunes and rainforest along the Pacific coast from Mexico south to Panama.[3][4]Previously it has also been reported from the Pacific coast of northwestern South America,[3] but in 2014 this population was recognized as a separate species, G. nobili.

The taxonomy in relation to the Atlantic G. lateralis is disputed, with many considering G. quadratus and G. lateralis to beconspecific. source

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