Portunus tuberculosus   A Milne Edwards,  1861 (Crab)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Arthropoda
Class: Malacostraca
Order:Decapoda
Family:Portunidae

Image copyrights: Guam

Description
Middle teeth of front nearly as large as, and more prominent than the outer. Two spines on hand.

Carapace flat, its length in the middle line between 2/3 and ¾ its breadth without the great lateral spines. Its surface rough, granular, and symmetrically puckered or tubercled. Front prominent beyond the inner supra-orbital angles and beyond the epistome, cut into four bluntly triangular teeth of nearly equal size, of which the middle two are the more prominent. Supra-orbital margin cut by two tissures. Antero-lateral borders rather long, moderately oblique, cut into 9 teeth, the last of which is about 3 times longer than any of the others. The orbits are not completely dorsal. The merus of the external maxillipeds is elongate. Chelipeds of the male a little over twice the length of the carapace, granular. Three or occasionally four teeth on the anterior border of the arm, and one at the far end of the posterior border. Legs unarmed; sternum granular.


Synonym (s)
Neptunus tuberculosus A. Milne Edwards, 1861

Common Name (s)
Economic Importance and Threats

Ecology

Biogeography


• Lakshadweep INDIA
• INDIA
• MALDIVES
• SRI LANKA

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
  • Florida Museum of Natural History Available at - http://www.flmnh.ufl.edu/

Page last updated on:2010-11-12

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