Geograpsus grayi   (H. Milne Edwards,  1853) (Crab)
Organism information awaits expert curation
Class: Malacostraca

Carapace subquadrilateral, a little convex, the lateral borders well defined anteriorly, ill defined and slightly convergent posteriorly. The four tubercles along the line of flexion of the front are not salient; the edge of the front in a dorsal view is concave. The notch near the outer end of the lower border of the orbit is small and narrow. The epistome is rather in defined. Chelipeds in both sexes a little unequal; sqamiform markings are present but, except on the arm are indistinct. The larger cheliped may be a little under or a little over twice the length of the carapace. The greatest breadth of the meropodites of the legs are less than half their length. The first pair of legs are slightly shorter than the 4th pair. The 2nd pair are the longest of all, being about twice the length of the carapace. The last 3 joints of all the legs are bristly. Colors in life yellow-ochre, the greater part of the dorsum of the carapace livid bluish or purplish.

Synonym (s)
Grapsus grayi H. Milne Edwards, 1853
Geograpsus longitarsis minikoiensis Borradaile, 1901
Geograpsus rubidus Stimpson, 1858
Geograpsus viaderi Ward, 1942

Common Name (s)
Economic Importance and Threats

Habitat:  Sandy


• Andaman and Nicobar Islands, Nicobar Islands (Lat: 7) (Long: 93) INDIA
• Andaman and Nicobar Islands, Andaman Islands (Lat: 12.5) (Long: 92.75) INDIA
• Lakshadweep INDIA
• Red Sea
• Lakshadweep Islands (Lat: 8.28) (Long: 72.16) INDIA (Record: 01/1987-03/1987)
• Lakshadweep Islands (Lat: 11.68) (Long: 73.68) INDIA (Record: 01/1987-03/1987)

Literature Source(s)
  • Alcock, A (1968) Materials for a carcinological fauna of India the Brachyura Oxyrhyncha The Baptist Mission Press 1 1-456 Available at - Pune University, Pune
  • Jeyabaskaran, R; Wafar, S and Wafar, M (2002) CD on Brachyuran Crabs of West Coast, India Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Sealifebase Available at -
  • Rao, GS; Suseelan, C and Kathirvel, M (1989) Crustacean resources of the Lakshadweep islands Marine living resources of the union territory of Lakshadweep: An indicative survey with suggestions for development Bulletin of Central Marine Research Institute CMFRI 43 72-76 Available at -

Page last updated on:2011-04-21

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