Sertularella polyzonias   (Linnaeus,  1758) (Hydrozoan)
Organism information awaits expert curation
Class: Hydrozoa

Size: 40-50mm in height

Color: Male is white in color while the female is yellow in color

The main stems and side branches are thin, wavy, and of a bright yellow colour. The main stem branches irregularly. The side branghes support alternate hydrothecae, one to each internode. The hydrothecae are bulbous at the base and become narrower towards the rim. The rim has four cusps, and an operculum that consists of four triangular flaps. The gonothecae are generally ovate in shape and rugose in texture. A raised tubular structure with four vertically projecting denticles, surrounds the aperture.

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Andaman and Nicobar Islands INDIA

Literature Source(s)
  • Tikadar, BK; Daniel, A and Subbarao, NV (1986) Sea shore animals of Andaman and Nicobar Islands The Director, ZSI, Kolkatta 188 Available at - ZSI, Pune
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2010-06-23

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