Pinnotheres purpureus   Alcock,  1900 (Crab)
Organism information awaits expert curation
Class: Malacostraca

The eyes in the female are not entirely visible in an ordinary dorsal view. Dactylus of the 3rd pair of legs longer than any of the others.
Carapace and appendages smooth, polished, nude. Carapace transversely oval, strongly convex, the regions not well defined. Dactylus of external maxillipeds slender and inconspicuous, placed far back on the inner edge of the propodite. Chelipeds and legs slender, the chelipeds being little stouter than the legs and about the small length as the first pair of legs. The movable finger is not much more than those of the first two pairs and nearly twice as long as those of the 4th pair. The dactyli of the 3rd and 4th pairs are several times the length of those of the first two pairs, and the dactylus of the 3rd pair exceeds that of the 4th pair. Though the 4th pair have a long dactylus their total length is not greater than that of either of the first two pairs.

It is found in Ostraea sp.

Synonym (s)
Pinnotheres purpureus Alcock, 1869

Common Name (s)
Economic Importance and Threats



• Lakshadweep INDIA
• Andaman and Nicobar Islands INDIA

Literature Source(s)
  • 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 -
  • Deb, M and Rao, GC (1993) A check-list of the brachyuran crabs (Crustacea: Decapoda)of Bay islands Journal Of The Andaman Science Association Andaman Science association, Port Blair 8(1-2) 25-34 Available at - NIO, Goa

Page last updated on:2011-02-03

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