Philyra alcocki   Kemp,  1915 (Crab)
Organism information awaits expert curation
Class: Malacostraca

Size: Length of carapace 12 mm; width of carapace 11 mm.

Carapace subcircular to oblong, little longer than wide, convex in both the directions. The surface of the carapace thickly covered with microscopic granules and scattered pits. Front produced, narrow with one median triangular tooth; both the horizontal front orbital edge and posterior border of carapace 3 mm wide, eyes and orbits very small. Side wall of hepatic region form an independent facet, bounded below by beaded ridge. Gastro-car-diac region of carapace separated from branchial region by shallow groove and three ill defined, separate rows of granules on branchial region. Chelipeds stouter and longer than long slender legs. Upper surface of arm of chela bears rows of granules. Male abdomen consists of 3 smooth movable joints, the first joint fixed or fused and produced laterally.

This species can be separated from other allied forms by its microscopically granular surface and by the presence of two oblique rows of granules on postero dorsal surface.

Synonym (s)
Philyra alcocki Kemp, 1915

Common Name (s)
Economic Importance and Threats



• Orissa, Chilika Lake INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Orissa, Chilika Lake (Lat: 19.46) (Long: 85.1) INDIA
• Orissa, Chilika Lake (Lat: 19.9) (Long: 85.58) INDIA

Literature Source(s)
  • DEB, M (1995) Crustacea: Brachyura Wetland ecosystem series 1: Fauna of Chilka Lake ZSI, Calcutta 345-366 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at -
  • Roy, MKD and Nandi, NC (2008) Brachyuran biodiversity of some selected brackishwater lakes of India Proceedings of Taal2007: The 12th World Lake Conference 496-499 Available at -

Page last updated on:2011-09-22

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