Ectyodoryx lissostyla   Thomas,  1970 (Sponge)
Organism information awaits expert curation
Class: Demospongiae

Size: Height is around 1-3 mm.

Color: Pale yellow

Surface corrugated and conulose. Oscules small. Ectosome consists of tangentially placed styles supported by the distal extremities of the main fibres ending in the surface. Dermal membrane, thin and transparent. When dry the dermal membrane sinks down following the contour of the subdermal cavities. Subdermal cavities extensive ; width, 1 to 1.5 mm. Endosome, crumb-of-bread-like. The skeletal arrangement is irregularly reticulate. In the deeper parts the styles get arranged in a confusing manner, and as they come close to the surface may get arranged in bundles of 3 to 4 spicules in cross section. Smooth styles echinate the spicular bands in groups. Spongin sparsely present. Towards the surface, the reticulation becomes quite well defined ; polygonal or irregular in outline. Tornotes are found either singly or in groups both in the ectosome and endosome. It has smooth echinating spicules.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal


• Tamil Nadu, Gulf of Mannar INDIA

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at -
  • Thomas, PA (1970) On some deep sea sponges from the Gulf of Mannar, with descriptions of three new species Journal of the Marine Biological Association of India Marine Biological Association of India 12(1-2) 202-209 Available at -

Page last updated on:2011-02-18

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