Actaea depressa   (White)  (Crab)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Arthropoda
Class: Malacostraca
Order:Decapoda
Family:Xanthidae

Image copyrights: Government of India

Description
Size: Width 34 mm; length 25 mm

Carapace 2/3 as long as broad, medium in size, somewhat pentagonal in shape, perfectly flat and quite devoid of lobulations on posterior third. The anterior third of carapace is markedly convex and well lobulated, divided by deep, smooth, broad grooves. Whole surface is covered with small vesiculus granules which become very small posteriorly, and with soft, brown, short felt of hairs. Lobule 1M continuous with partly divided 2M; 3M; 1L, 2L, 3L, 5L and 6L distinctly outlined. Antero-lateral sides divided into four, granular lobes, postero-lateral sides straightly convergent. Chelipeds markedly unequal in large adult male; upper outer surfaces of wrists and hands covered with pearly granules and felt, fingers pointed at tips. Felt on exposed parts of leg joints conceals the sharply granular sculpture. Last pair of legs rather short. Anterior male pleopod obtuse and spooned apically. A cluster of long setae preesnt on inner sub-apical area and the adjoining regions armed with thickly set spinules all over.


Synonym (s)
Actaea purvula de Man 1887
Xantho depressa White 1847
Actaea depressa Odhner 1925
Forestia depressa Serene 1984

Common Name (s)
Economic Importance and Threats

Ecology

Biogeography


• Andaman and Nicobar Islands, Andaman INDIA

Literature Source(s)
  • Kensley, B (1981) On the Zoogeography of Southern Afrian Decapod Crustacea, with a distributional checklist of the species Smithsonian Contributions to Zoology Smithsonian Institution Press, Washington, D.C. 338 23377 Available at - NIO, RC Kochi
  • 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 - http://www.marinespecies.org

Page last updated on:2010-02-19

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