Crabs of Christmas Island

A medium sized squarish, flattened crab up to 50–60 mm. Light brown to brownish grey carapace with a

smooth surface. Walking legs are thin and flat - the two end segments are fringed with long, closely packed hair on the back edge. Underside of body is yellowish cream.

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Found in the littoral zone, lagoons, brackish water. Able to tolerate a wide range of salinity.