Biemna fortis   (Topsent,  1897) (Sponge)
Organism information awaits expert curation
Class: Demospongiae

Color: Snow white externally due to the presence of spicules projecting in a slanting manner; interior sandy gray.

Skeleton consists of irregular bands of styles running to the surface and piercing it at an angle.
Spicules: Styles, slightly curved and sharply pointed, blunt in some, basal 1/3rd narrower than the rest.

Synonym (s)
Desmacella fortis Topsent, 1897
Biemna fortis Thomas, 1986

Common Name (s)
Economic Importance and Threats



• Tamil Nadu, Gulf of Mannar INDIA
• Red Sea
• Tamil Nadu, Rameswaram Island INDIA
• Lakshadweep, Minicoy 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 (1997) Sponges of Papua and New Guinea III Orders Poecilosclerida Topsent and Halichondrida Vosmaer Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 39(1&2) 148-154 Available at - NIO, Goa
  • James, PSBR ; Thomas, PA ; Pillai, CSG and Achari Kumaraswamy, GP (1969) ´╗┐Catalogue of types and of sponges, corals, polychaetes, crabs and echinoderms in the reference collections of the Central Marine Fisheries Research Institute Bulletin of Central Marine Research Institute CMFRI, Cochin 7 1-66 Available at -
  • Thomas, PA (1980) Demospongiae of Minicoy island (Indian ocean)-Part 2 order Poecilosclerida Journal of the marine biological association of India The marine biological association of India 22(1&2) 1-20 Available at - NIO, Goa
  • Thomas, PA (1989) Sponge fauna of Lakshadweep Marine living resources of the union territory of Lakshadweep: An indicative survey with suggestions for development Bulletin of Central Marine Research Institute CMFRI 43 150-161 Available at -

Page last updated on:2011-04-27

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