Kingdom Animalia Subphylum Crustacea Order Decapoda Rank Species | Phylum Arthropoda Class Malacostraca Infraorder Brachyura | |
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Similar Charybdis, Portunus sanguinolentus, Thalamita, Podophthalmus vigil, Charybdis feriata |
Charybdis natator, the ridged swimming crab, is a swimming crab species in the genus Charybdis. Distributed all over Indo-West Pacific regions.

Description

Male grows up to maximum length of 17cm. Body color orange-red overall. Legs are dark and reddish brown colored. Carapace ridged and densely pubescent. Chelipeds covered with large granules and squamiform markings.
Between eyes, there are 8 small rounded lobes. Last pair of legs are paddle-shaped.

References
Charybdis natator Wikipedia(Text) CC BY-SA