Sagitta bedoti   Beraneck,  1895 (Marine Worm)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chaetognatha
Class: Sagittoidea
Order:Aphragmophora
Family:Sagittidae

Image copyrights: A. Pierrot-Bults

Description
Size: Total length 2-7 mm

Body semitransparent and needle-shaped with strong musculature, hence maintaining the shape. Neck well defined with thin collarette extending close to ventral ganglion and separating small head from body. Trunk more or less of uniform width. Antero-lateral fins longer and narrower than postero-lateral fins originating at the level of ventral ganglion. Postero-lateral fins arising close to antero-lateral ones and extending up to seminal vesicles. Seminal vesicles elongated and in close contact with postero-lateral and caudal fins. Prehensle hooks ranging between 6 and 8; anterior teeth varying from 6 to 12 and posterior teeth from 13 to 25.


Synonym (s)
Sagitta bedoti f. minor Tokioka, 1942
Sagitta minor Hamon, 1956
Sagitta bedoti Beraneck, 1895

Common Name (s)
Economic Importance and Threats

Ecology

Biogeography


• West Bengal, Hugli Matla Estuary INDIA
• West Bengal, Sundarbans INDIA
• Tamil Nadu, Chennai Coast INDIA
• Kerala, Off Vizhinjam INDIA (Record: 01/1990-12/1990)
• Tamil Nadu, Gulf of Mannar INDIA
• Maharashtra, Mumbai INDIA
• Maharashtra, Off Mumbai INDIA
• Palk Bay INDIA (Record: 01/1955-12/1958)
• Tamil Nadu, Gulf of Mannar INDIA (Record: 01/1955-12/1958)
• Bay of Bengal INDIA
• Gujarat, Off Rozi INDIA (Record: 11/1972-10/1974)

Literature Source(s)
  • (2002) List of zooplankton found in coastal waters of West Bengal West Bengal Biodiversity Strategy and Action Plan(BSAP), Oct 2002
  • Alfred, JRB; Das, AK and Sanyal, AK (Eds.) (1998) Faunal diversity in India ZSI, Calcutta 1-497 Available at - NCL, Pune
  • 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
  • Zoological Survey of India (Eds) (1991) Animal resources of India (Protozoa to Mammalia) ZSI 1-694 Available at - NCL, Pune
  • Balasubramanian, T Lagoons of India Environmental Information System Centre, Envis Publication Series: 3/2001 105 pp Available at - http://aucasmbenvis.org/files/04-Publications/lagoon%20status.pdf
  • Nair, VR Chaetognatha NIO, Goa Available at - http://www.nio.org/Biology/Chaetognaths/Chaetognaths.jsp
  • Troost, DG; Sutomo, AB and Wenno, LF (1976) Distribution and abundance of major zooplankton groups in Ambon Bay (Maluku, Indonesia) during a salp swarming, with notes on Chaetognatha and Pteropoda species Marine Research in Indonesia Lembaga Oseanologi Nasional (National Institute of Oceanology) Lembaga Ilmu Pengetahuan Indonesia, Jakarta, Indonesia 16 31-44 Available at - NIO, Goa
  • Michel, HB; Behbehani, M and Herring, D (1986) Zooplankton of the western Arabian Gulf south of Kuwait waters Kuwait Bulletin of Marine Science 8(1435) 13150 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
  • Haldar, BP (1995) Chaetognatha Estuarine ecosystem series, Part 2: Hugli Matla Estuary ZSI, Calcutta 319-326 Available at - NIO, Goa
  • Sarkar, SK and Bhattacharya, AK (2003) Conservation of biodiversity of the coastal resources of Sundarbans, Northeast India: an integrated approach through environmental education Marine Pollution Bulletin Elsevier 47(1-6) 260-264 Available at - http://dx.doi.org/10.1016/S0025-326X(02)00475-7
  • 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
  • George, RM; Thomas, PA; Jasmine, S; Nair, KR and Vasanthakumar, R (1998) Observations on the distribution and seasonal fluctuations of chaetognaths off Vizhinjam, southwest coast of India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 40(1&2) 6-10 Available at - NIO, Goa
  • Maruthanayagam, C and Subramanian, P (1999) Bio-chemical variation of zooplankton population Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 41(1&2) 111-115 Available at - NIO, Goa
  • Nair, VR; Gajbhiye, SN and Desai, BN (1991) Effect of pollution on the distribution of chaetognaths in the nearshore waters of Bombay. Indian Journal of Marine Sciences 20(1) 43-48 Available at - NIO, Goa
  • Nair, VR and Ramaiah, N (1998) Zooplankton characteristics of the coastal ecosystem off Bombay, India Proceedings of the 2nd International Conference In: Pelagic Biogeography ICoPB II 272-278 Available at - NIO, Goa
  • Sudarsan, D (1961) Observations on the chaetognatha of the waters around Mandapam Indian Journal of Fisheries Indian Council of Agricultural Research 8 (2) 364-382 Available at - http://eprints.cmfri.org.in/1973/1/Article_06.pdf
  • Jitlang, I; Pattarajinda, S; Mishra, R and Wongrat, L (2007) Composition, Abundance and Distribution of Zooplankton in the Bay of Bengal The Ecosystem-Based Fishery Management in the Bay of Bengal 65-92 Available at - http://map.seafdec.org/downloads/BIMSTEC/010-Zooplankton-Issaporn.pdf
  • Patel, MI (1976) Seasonal variation in zooplankton from the coastal waters of Saurashtra Indian Journal of Marine Sciences Scientific Publishers 5(1) 140-144 Available at - NIO, Goa

Page last updated on:2011-07-18

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