Halammohydra andamanensis   Rao,  1970 (Hydrozoan)
Organism information awaits expert curation
Class: Hydrozoa

Size: Length 0.54-0.56 mm; maximum body diameter 0.06 mm.

Aberrant cnidarians with elongated and sparsely ciliated body. Gastric tube cylindrical. Aboral cone strikingly conical in shape, with little developed adhesive organ occupying about 1/3 of the cone. Two distinct whorls of aboral tentacles 3+5 in number alternate with a whorl of 5 statocysts of the lithostyle type. One of the posterior tentacles is always longer the the others. Cnidome consists of spherical stenoteles of two size categories and oval atrichous isorhizas.

Sexes are separate with one gonad.

Synonym (s)
Halammohydra andamanensis Rao 1978

Common Name (s)
Economic Importance and Threats

Habitat:  Sandy, Coastal


• Andaman and Nicobar Islands, Butler Bay INDIA (Record: 21/03/1990)
• Andaman and Nicobar Islands, Harmindar Bay INDIA (Record: 25/03/1990)

Literature Source(s)
  • Das, A (2003) A catalogue of new taxa described by the scientists of the zoological survey of India during 1916-1991 Occasional paper no 208 ZSI, Kolkata 530 pp
  • Rao, GC (1978) On a new species of Halammohydra (Actinulida, Hydrozoa) from Andamans, India Bulletin of the Zoological Survey of India 1(2) 147-149
  • Rao, GC (1993) Littoral meiofauna of Little Andaman Records of the Zoological Survey of India. Occasional paper no. 155 ZSI, Calcutta 120 pp 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:2010-06-18

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