Sesarma (Sesarma) quadrata   (Fabricius)  (Crab)
Organism information awaits expert curation
Class: Malacostraca

Size: Length of carapace: 17.5 mm; breadth of carapace: 20 mm.

Color: Mottled grey, the fingers cherry-red.

This species is distinguished by the deep carapace which is broader than long, and without any tooth on the lateral borders behind the orbital angle. The front is more than half the greatest breadth of the carapace. The inner border of the arm bears a large tooth at its distal end. On the upper surface of the palm are two oblique pectinated ridges, and the dorsal surface of the male finger is milled with 11 to 19 blunt, transverse lamellae. The anterior male abdominal appendages are bent outwards at the extreme tip, which bears hair along both borders.

Synonym (s)
Grapsus (Pachysoma) quadratus De Haan, 1850
Sesarma (Parasesarma) plicata Tesch, 1917
Sesarma (Sesarma) quadratum Pillai, 1951
Sesarma quadratum Alcock, 1900
Sesarma quadrata de Man, 1890
Sesarma (Sesarma) quadrata Shen, 1940

Common Name (s)
Economic Importance and Threats



• Karnataka, Karwar INDIA
• Gujarat, Kolak INDIA
• Gujarat, Umarsadi INDIA
• Andaman and Nicobar Islands INDIA
• Maharashtra, Mumbai INDIA

Literature Source(s)
  • Chhapgar, BF (1957) Marine crabs of Bombay state Contribution No. 1 of the Taraporevala Marine Biological Station Marine Biological Station, Department of fisheries, Bombay 89 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2010-11-18

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