Sagitta pulchra   Doncaster,  1903 (Marine Worm)
Organism information awaits expert curation
Class: Sagittoidea

Image copyrights: A. Pierrot-Bults

Size: Total length 5-12 mm

Body translucent, elongated, slender with strong body wall. Head small and narrow, collarette short, never extending up to ventral ganglion. Antero-lateral fins very long, more than 30% of total length, starting at the middle of ventral ganglion. Postero-lateral fins shorter, arising close to antero-lateral fins and extending posteriorly close to seminal vesicle. Tail fin triangular and fully rayed. Prehensile hooks varying from 6 to 7. Anterior teeth ranging between 6 and 7 and posterior teeth between 9 and 10.

Synonym (s)
Sagitta weberi Oye, 1918
Sagitta pulchra Doncaster, 1903

Common Name (s)
Economic Importance and Threats

Habitat:  Estuarine


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

Literature Source(s)
  • 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
  • Nair, VR Chaetognatha NIO, Goa Available at -
  • 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 -
  • Haldar, BP (1995) Chaetognatha Estuarine ecosystem series, Part 2: Hugli Matla Estuary ZSI, Calcutta 319-326 Available at - NIO, Goa
  • World Biodiversity Database Available at -
  • 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 -
  • 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
  • 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
  • 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 -

Page last updated on:2011-05-31

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