Sagitta ferox   Doncaster,  1902 (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: Maximum adult body length 18 mm; tail 25-31 %

Body firm and muscular; transversal musculature absent; head wide; hooks not serrated. Fin bridge absent. Anterior fins long, fully rayed, rounded; posterior fins of medium length, partially rayed, rounded. Collarette long; gut diverticula present. Small eyes, with T-shaped pigment spot. Seminal vesicles [with] knob and trunk; position of seminal vesicles: touching both posterior fins and tail fin. Ovaries long, reaching to neck region; ova small. Adhesive papillae and adhesive organs absent. Apical glands absent. Hooks: 5-6; anterior teeth: 7-10; posterior teeth: 12-14.


Synonym (s)
Sagitta ai Tokioka, 1939
Sagitta planctonis Delsman, 1939
Sagitta robusta Bieri, 1957
Sagitta robusta Burfied and Harvey, 1941
Sagitta robusta Burfied and Harvey, 1962
Sagitta robusta Hida, 1957
Sagitta robusta Rao, 1958
Sagitta robusta Rao and Ganapati, 1958
Sagitta robusta Sund, 1961
Sagitta robusta Sund and Renner, 1959
Sagitta robusta Tokioka, 1954

Common Name (s)
Economic Importance and Threats

Ecology

Biogeography


• Tamil Nadu, Chennai Coast INDIA (Record: 2008)
• Kerala, Off Vizhinjam INDIA (Record: 01/1990-12/1990)
• Bay of Bengal INDIA

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 - 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
  • 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • 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
  • Pierrot-Bults, A (2004) Chaetognatha of the world World biodiversity database Available at - http://nlbif.eti.uva.nl/bis/chaetognatha.php?menuentry=zoeken
  • 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

Page last updated on:2011-06-24

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