Sagitta minima   Grassi,  1881 (Marine Worm)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chaetognatha
Class: Sagittoidea
Order:Aphragmophora
Family:Sagittidae

Description
Size: Maximum adult body length 10 mm; tail 17-21 %

Body very small and slender, transparent, with broad tail; transversal musculature absent; head narrow; hooks not serrated. Fin bridge absent. Anterior fins of medium length, partially rayed, rounded; posterior fins of medium length, partially rayed, rounded. Collarette absent. Small gut diverticula present. Small eyes, with star-shaped pigment spot. Seminal vesicles with knob and trunk; position of seminal separated: from posterior fins, touching tail fin. Ovaries very short and broad, reaching to middle of posterior fins; ova very large but few. Adhesive papillae and adhesive organs absent. Apical glands absent. Hooks: 7-9; anterior teeth: 3-7; posterior teeth: 6-16.


Synonym (s)

Common Name (s)
Economic Importance and Threats

Ecology

Biogeography


• INDIA (Record: 1998)
• 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
  • Nair, VR Chaetognatha NIO, Goa Available at - http://www.nio.org/Biology/Chaetognaths/Chaetognaths.jsp
  • 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
  • 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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