Actaea spinosissima   Borradaile,  1902 (Crab)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Arthropoda
Class: Malacostraca
Order:Decapoda
Family:Xanthidae

Image copyrights: NIO, Goa

Description
Size: Width 16.5 mm; length 11 mm

Carapace covered with isolated tubercles, nodules or spines or by mixed types, hairs almost absent. Petaloid tubercles in middle, spines near edges and on leg joints.

Small crab, carapace two-third as long as wide. The flat lobules present only on anterior two-third of carapace, these regional lobules are well separated by narrow, smooth grooves and covered by large, scale like, flattish, smooth, oblique petaloid tubercles. The similar type of smaller granules present on the posterior third of the carapace arranged in transverse rows; on antero-lateral sides of carapace these granules are spine like, specially the posterior two or three, antero-lateral borders of carapace not lobulated. The upper edges of legs and cheliped joints are armed with spines, outer surfaces of wrists and palms are adorned with flat scale like tubercles, but without convex lobules. Male pleopod process is curved, apex obtuse, narrowly spooned apically. A cluster of 20-25 long setae present on inner subapical region, a row of spinules armed the inner and outer borders of subterminal region of the pleopod.


Synonym (s)
Actaea peronii var. squamosa Henderson, 1893

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Reef Associated, Coastal

Biogeography


• INDIA
• SRI LANKA
• MALDIVES

Literature Source(s)
  • Jeyabaskaran, R; Wafar, S and Wafar, M (2002) CD on Brachyuran Crabs of West Coast, India Available at - http://www.nio.org/Biology/brachyuran/index.html
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • 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

Page last updated on:2010-10-29

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