Girish Mahajan (Editor)

Telescopium telescopium

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Kingdom  Animalia
Superfamily  Cerithioidea
Genus  Telescopium
Phylum  Mollusca
Class  Gastropoda
Family  Potamididae
Scientific name  Telescopium telescopium
Rank  Species
Telescopium telescopium Polished Telescopium telescopium Telescope Shell
Similar  Telescopium, Potamididae, Cerithidea, Pirenella cingulata, Terebralia sulcata

Saccostrea glomerata and telescopium telescopium

Telescopium telescopium, or "Horn snail," is a species of marine gastropod mollusk in the family Potamididae. It is found in mangrove forests throughout the coastlines of the Indian Ocean.


Telescopium telescopium Telescopium telescopium Linn 1758 Family Potamididae Flickr


Telescopium telescopium Rodong Telescopium telescopium More about this snail on Flickr

This large snail has an 8–15 cm tall, conical shell strongly reminiscent of an ice cream cone. T. telescopium is commonly seen in Southeast Asian mangroves, on mud, sometimes in the hundreds covering a large area. It is also called 'Rodong' or 'Berongan' in Malay.

Telescopium telescopium httpsuploadwikimediaorgwikipediacommonsthu

The largest of Horn snails, the heavy conical shell is actually beautifully marked but the patterns are usually hidden by mud and other encrusting animals. The outer lip is thin and not flared. Operculum small and circular. The animal is velvety black with a highly extendible proboscis. There is a third eye on its mantle margin, in addition to a pair of eyes at the tentacles. It can stay out of water for long periods of time.

Telescopium feeds on detritus and algae from the mud surface at low tide by sucking using its proboscis.

Human relevance

Telescopium telescopium Telescopiumtelescopium1jpg

This species is gathered for food in Southeast Asia and is often sold in traditional markets. It is steamed and eaten with chili.


  • Australia - northern mangroves
  • Madagascar
  • Pakistan
  • Philippines
  • Sri Lanka
  • West Bengal, India

  • Telescopium telescopium Telescopiumtelescopiumjpg


    Telescopium telescopium Wikipedia

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    Pirenella cingulata