Pista pachybranchiata   Fauvel,  1932 (Marine Worm)
Organism information awaits expert curation
Class: Polychaeta

Size: 100-120 mm. by 4- 5 mm., feet not included, 6-6.5 mm. if setae included.

Body cylindrical, not swollen anteriorly, abdomen very long. 17 thoracic setigerous segments. Prostomium rather small, without lateral folds. A narrow streak of very small dark eye spots. Buccal segment expanded into two large rounded lobes encompassing the prostomium. On the third segment, two rounded lobes. There are no lobes on the fourth segment. 15-18 ventral scutes, first rectangular, then hexagonal. Uncinigerous tori rather short. Two pairs of gills with few branches, very thick, subulate, simple or furcate, the second pair is slightly smaller. Nephridial pores on third, fourth nad fifth setigerous segments. Uncini in a single row on the anterior uncinigerous segments. Dorsal setae capillary, long, slender, with a single wing, appearing finely serrated under a high magnification.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Coastal


• Lakshadweep Sea INDIA
• Maharashtra, Mumbai Port INDIA (Record: 11/1996-12/1996)

Literature Source(s)
  • Sukumaran, S and Devi, KS (2009) Polychaete diversity and its relevance in the rapid environmental assessment of Mumbai Port Current Science Current Science Association in collaboration with the Indian Academy of Sciences 97(10) 1439-1444 Available at - http://drs.nio.org/drs/bitstream/2264/3456/1/Curr_Sci_97_1439.pdf
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • 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

Page last updated on:2011-04-19

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