Doryteuthis singhalensis   Ortmann,  1891 (Squid)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Mollusca
Class: Cephalopoda
Order:Myopsida
Family:Loliginidae

Description
Size: Total length 210-226 mm; mantle length 141-171 mm; head length 20-27 mm; tentacular length 38-44 mm

Mantle long, slender, muscular and narrow tapering posteriorly to a sharp end. The anterior middorsal projection is rounded at the tip. Fins large and rhombic in Shape.They are widest at about the middle; the anterior margin of fin lobes is slightly convex and the posterior margins are concave. Head relatively small, eyes large. The buccal membrane has seven projections and each possess about eight minute suckers. The funnel is small, stout and placed in a deep furrow beneath the head. Fin length nearly 2/3rd of the mantle length; tentacles short; chitinous rings of tentacular club with 20-22 sharp teeth. Arm suckers with 7-9 blunt teeth. Left arm heterocotyle, distal half of arm with slender papillae with minute suckers; pale white with chromatophores on the dorsal surface. The tentacles are moderately long, slender and compressed. The clubs are short and slightly expanded with a trabeculate protective membrane on either side. The club suckers are arranged in four rows; those on the two median rows are slightly larger than the lateral suckers.


Synonym (s)
Loligo singhalensis Robson, 1928
Loligo spectrum Massy, 1916
Doryteuthis singhalensis Ortmann, 1891
Dorytethis singhalensis Jothinayagam, 1987

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Coastal

Biogeography


• Bay of Bengal (Lat: 15) (Long: 90) INDIA
• West Bengal, South 24 Parganas INDIA
• Tamil Nadu INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Tamil Nadu, Chennai Coast INDIA
• West Bengal, Sandheads INDIA
• INDIA
• West Bengal, Digha Coast INDIA

Literature Source(s)
  • Jothinayagam, JT (1987) Cephalopoda of the Madras cost (Zoological Survey of India) Technical monograph no 15 The Director ZSI, Calcutta 85
  • Venkatraman, K; Srinivasan, M; Satyanarayana, CH and Prabhakar D (2002) Faunal diversity of Gulf of Mannar biosphere reserve Conservation area series 15 ZSI 77 pp; VIII pla Available at - NCL, Pune
  • Ramakrishna; Sarkar, J and Talukdar, S (2003) Marine invertebrates of Digha coast and some recomendations on their conservation Records of the Zoological Survey of India ZSI, Kolkata 101(3-4) 1 Available at - NCL, Pune
  • Subba Rao, NV; Dey, A and Barua, S (1992) Estuarine and marine molluscs Fauna of West Bengal Part 9 (State fauna series 3) ZSI, Calcutta 129-268 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
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at - http://tnenvis.nic.in
  • Dr. Ramesh, R; Dr. Nammalwar, P and Dr. Gowri, VS (2008) Database on coastal information of Tamil Nadu Report Submitted to Environmental Information System (ENVIS) Centre, Department of Environment, Government of Tamil Nadu Institute for Ocean Management, Anna University, Chennai, Tamil Nadu. Available at - http://tnenvis.nic.in/PDF/coastal%20data.pdf
  • Silas, EG; Sarvesan, R; Rao, KS; Nair, KP and Meiyappan, MM (1985) Identity of common species of cephalopods of India Cephalopod bionomics, fisheries and resources of the exclusive economic zone of India Bulletin of Central Marine Research Institute CMFRI 37 13-37 Available at - http://eprints.cmfri.org.in/7028/1/Bulletin_No_37.pdf
  • Dey, M and Mitra, A (2005) Molluscan community around Digha coast, West Bengal, India Journal of Environment and Sociobiology Social Environmental and Biological Association, Kolkata, India 2(1&2) 43-47 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:2011-12-19

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