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Cardisoma guanhumi, also known as the blue land crab or great land crab, is a species of land crab found in tropical and subtropical estuaries and other maritime areas of land along the Atlantic coast of the Americas from Brazil [2] and Colombia, through the Caribbean and Gulf of Mexico, to the Bahamas, and north to Ponce Inlet, Florida [3] Princess Place Preserve in Palm Coast, and Bermuda. [4]
The common name blue land crab can be applied to either of two terrestrial crab species: Discoplax celeste , from Christmas Island Cardisoma guanhumi , from the Atlantic coast of the Americas, also known as the giant blue land crab .
Cardisoma is a genus of large land crabs.Three species formerly placed in this genus are now placed in Discoplax. [1] The four species that remain in Cardisoma are found in warm coastal regions where they live in burrows.
South Carolina Department of Natural Resources is asking people to snap photos of the blue land crab and report sightings online.
Here’s why the animals can be difficult to find.
A non-native land crab that dwarfs NC's native crab species has been spotted at the coast. Now officials want the public to help track its impacts.
Gecarcinus quadratus, a land crab from Central America. Crabs are generally covered with a thick exoskeleton, composed primarily of highly mineralized chitin. [4] [5] Behind their pair of chelae (claws) are six walking legs and then two swimming legs. The crab breathes through gills on its underside; gills must be at least moist to work.
A number of lineages of crabs have evolved to live predominantly on land. Examples of terrestrial crabs are found in the families Gecarcinidae and Gecarcinucidae, as well as in selected genera from other families, such as Sesarma, [1] although the term "land crab" is often used to mean solely the family Gecarcinidae. [2]