Sagitta regularis   Aida,  1897 (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 6 mm; tail 33 %

Body firm, opaque; transversal musculature absent; head narrow; hooks not serrated. Fin bridge absent. Anterior fins of medium length, fully rayed, rounded; posterior fins medium length, fully rayed, rounded. Collarette long and very conspicuous; gut diverticula present. Small eyes with T-shaped pigment spot. Seminal vesicles with knob and trunk; position of seminal vesicles: touching posterior fins and separated from tail fin. Ovaries of medium length, reaching to region of ventral ganglion; ova large. Adhesive papillae and adhesive organs absent. Apical glands absent. Hooks: 10-11; anterior teeth: 4; posterior teeth: 6.


Synonym (s)

Common Name (s)
Economic Importance and Threats

Ecology

Biogeography


• Lakshadweep (Lat: 8) (Long: 75) INDIA
• Tamil Nadu, Chennai Coast INDIA
• Gujarat, Off Rozi INDIA (Record: 11/1972-10/1974)

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
  • 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
  • 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
  • Michel, HB; Behbehani, M; Herring, D; Arar, M; Shoushani, M and Brakoniecki T (1986) Zooplankton diversity, distribution and abundance in Kuwait waters Kuwait Bulletin of Marine Science 8 37-105 Available at - Zoological records
  • 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
  • Pierrot-Bults, A (2004) Chaetognatha of the world World biodiversity database Available at - http://nlbif.eti.uva.nl/bis/chaetognatha.php?menuentry=zoeken
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • 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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