Actaea alcocki   Laurie,  1906 (Crab)
Organism information awaits expert curation
Class: Malacostraca

Image copyrights: Government of India

Size: Width 24.8 mm; length 16.5 mm

Color: Yellowish with a circular brown patch on the gastric region, fingers dark brown in color.

Medium sized crab, with broad, hexagonal, moderately convex carapace. The body and appendages covered with short fur which does conceal the lobulation and sharp, crisp, fine granulations. Regional lobules on the anterior two third of carapace are well outlined by shallow grooves. Lobules 1M; divided 2M, 1L - 6L are all faintly and shallowly outlined. Four lobes on anterolateral edge, bluntly pointed, granular, first one obsolent, last one smallest. Front narrow, bilobed, vertically deflexed, outer corner produced vertically downwards to form a tooth. Chelipeds equal, small, narrow, arm smooth, lower edge granular. Upper and lower borders and outer surfaces of hands and wrists crisply granular. The granules om palm are larger and are arranged in longitudinal rows on the lower half. Fingers grooved, tips pointed, base of dactylus rough and the dactylus abruptly curved downward almost at right angle.

Synonym (s)
Actaea alcocki Laurie, 1906

Common Name (s)
Economic Importance and Threats



• Tamil Nadu, Gulf of Mannar INDIA

Literature Source(s)
  • Deb, M (1989) Contribution to the study of Xanthidae: Actaeinae (Decapoda: Crustacea) of India Records of the Zoological Survey of India. Occasional Paper No. 117 ZSI, Calcutta 59 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:2010-08-17

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