Nereis unifasciata   Willey  1905 (Marine Worm)
Organism information awaits expert curation
Class: Polychaeta

Size: Length 10-30 mm.

Longer tentacular cirri reaching backwards to 7th-12th segment. Anterior feet with short rounded lobes, two in each ramus. In the middle and posterior feet dorsal ramus with two sub-equal, triangular, diverging ligules; ventral ramus with a conical setigerous lobe and a narrow, blunt, inferior ligule. Heteromorph ventral falcigerous bristles with a short sickle shaped terminal piece.

Synonym (s)
Nereis unifasciata Willey 1905

Common Name (s)
Economic Importance and Threats



• Tamil Nadu, Tuticorin (Lat: 8.78) (Long: 78.13) INDIA
• Tamil Nadu, Tuticorin INDIA (Record: 1953)
• INDIA (Record: 1953)
• Tamil Nadu, Gulf of Mannar INDIA (Record: 2007)
• Maharashtra, Mumbai Harbour-Thane creek system INDIA (Record: 1985-1986)

Literature Source(s)
  • (2001) Sanctuary Asia natural history species: Species checklist: Reptiles Sanctuary Asia Sanctuary Magazine Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Fauvel, P (1953) The fauna of India including Pakistan, Ceylon, Burma and Malaya: Annelida, Polychaeta The Indian press ltd., Allahabad 507 pp Available at - NIO, Goa
  • Mathew, A and Govindan, K (1995) Macrobenthos in the nearshore coastal system of Bombay Proceedings of the National Academy of Sciences, India (B: Biological Sciences) National Academy of Sciences, India 65 (IV) 411-430 Available at -

Page last updated on:2010-01-08

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