Sesarma tetragonum   (Fabricius)  (Crab)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Arthropoda
Class: Malacostraca
Order:Decapoda
Family:Sesarmidae

Description
Crabs nearly square shaped, deep; its length 5/6 of its width. Parallel lateral sides with one acute tooth behind outer orbital spine. Front 1/2 or so of width of carapace, deflexed, free edge concave; of the four post frontal lobes the middle pair very prominent and broader tthan outer ones. All the regions specially the gastric well defined, whole dorsal surface covered with tufts of hairs, longer and thicker anteriorly. In male, chelipeds more stouter and more sharply rugose on outer surface than in females. Outer surface of palm granular, on inner surface a transverse granular ridge present. Upper edge of moveable finger of chelae adorned with 9-10 small dents, not milled lamellae.


Synonym (s)
Cancer tetragonum Fabricius, 1798
Sesarma tetragonoum Alcock, 1900

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Reef Associated, Estuarine, Coastal

Biogeography


• West Bengal, Gangetic Delta (Lat: 7.21) (Long: 93.78) INDIA
• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• West Bengal, Sundarbans (Lat: 21.5) (Long: 88.17) INDIA
• Orissa, Chilika Lake INDIA (Record: 03/1914)
• Orissa, Mahanadi INDIA
• West Bengal, Ganges Delta INDIA
• Tamil Nadu INDIA
• Andaman and Nicobar Islands, Andamans INDIA
• Karnataka, Netrani Island (Lat: 14.03) (Long: 74.55) INDIA (Record: 05/2006) (Depth: 10-15 mts)
• Karnataka INDIA (Record: 2001-2007)
• Andaman and Nicobar Islands INDIA
• INDIA

Literature Source(s)
  • Nandi, NC; Das, SR; Bhuinya, S and Dasgupta, JM (1993) Wetland faunal resources of West Bengal, I., north and south 24-Parganas districts Occasional paper no 150 Records of the Zoological Survey of India ZSI 18264
  • Alcock, A (1968) Materials for a carcinological fauna of India the Brachyura Oxyrhyncha The Baptist Mission Press 1 1-456 Available at - Pune University, Pune
  • Mandal, AK and Nandi, NC (1989) Fauna of Sundarban mangrove ecosystem, West Bengal, India Fauna of Conservations 3 35431 Available at - NIO, Goa
  • DEB, M (1995) Crustacea: Brachyura Wetland ecosystem series 1: Fauna of Chilka Lake ZSI, Calcutta 345-366 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
  • Zacharia, PU; Krishnakumar, PK; Dineshbabu, AP; Vijayakumaran, K; Rohit, P; Thomas, S; Sasikumar, G; Kaladharan, P; Durgekar, RN and Mohamed, KS (2008) Species assemblage in the coral reef ecosystem of Netrani Island off Karnataka along the southwest coast of India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin, India 50(1) 87-97 Available at - NIO, Goa
  • Dineshbabu, AP; Durgekar, RN and Zacharia, PU (2011) Estuarine and marine decapods of Karnataka inventory Fishing Chimes Mr.J.V.H. Dixitulu 30 (10-11) 20-24 Available at - http://eprints.cmfri.org.in/7950/1/Dineshbabu-Fishing_Chimes_30(10%2611).pdf
  • Das, AK and Roy, MKD (1989) A general account of the mangrove fauna of Andaman and Nicobar islands Fauna of conservation areas Zoological survey of India 1-152 Available at - NIO, Goa
  • Pillai, PKM and Augustine, SK (2000) A code list of common marine living resources of the Indian seas CMFRI Special Publication No.12 CMFRI 1-115 Available at - eprints.cmfri.org.in/3975/1/Special_Publication_No_12_Revised.pdf

Page last updated on:2011-12-16

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