Holophrya nairi     (Ciliata)
Organism information awaits expert curation
Class: Prostomatea

Size: Dimensions 130-148.2 µm x 95.5-107 µm

Body globose to oval, ciliation uniform, disposed along longitudinal striae; cytostome small, apical and round, without any cytopharynx, macronucleus spherical, located at middle to posterior half of the body; micronucleus small, elliptical, lying lateral to macronucleus; contractile vacuole single and terminal; cytoplasm heavily laden with round or oval haematoxynophilic reserve particles.

Similar species: The present species Holophrya nairi resembles only H. atra in having spherical macronucleus and numerous reserve particles in the cytoplasm. But, it differs from the latter in body shape, larger body length and disposition of micronucleus. Further H. atra is a freshwater species while the present one has been collected in brackishwater with salinity ranging from 4.1 to 13.8 ppt

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Orissa, Chilika Lake INDIA (Record: 23/09/1987)

Literature Source(s)
  • Das, AK (1995) Protozoa Wetland ecosystem series 1: Fauna of chilka lake ZSI, Calcutta 137-209 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org

Page last updated on:2012-02-06

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