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Phylum Mollusca > Class Gastropoda > Family Potamididae
Belitong snail
Terebralia sulcata
Family Potamididae
updated Sep 2020
Where seen? This chubby snail is sometimes seen in our mangroves, attached to trees and hard surfaces, or littering the ground near the high water mark. Sometimes found in groups of several individuals.

Features: 3.5- 4cm long. Shell thick with prominent ribs. Shell opening wide often with a thick, flared lip. It has a distinctive shell opening at the tip, the inhalant siphonal canal called the peristome.

Sometimes confused with the Red chut-chut and Black chut-chut. More on how to tell these snails apart.

Pulau Semakau, Mar 05

Unlike the similarly shaped Chut-chut,
the Belitong has a distinctive peristome

Berlayar Creek, Mar 09

Berlayar Creek, Mar 09
Human uses: It is extensively collected for food and the shell used to produce lime in the Philippines.

Belitong snails on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores

Pulau Hantu, Apr 21
Photo shared by Vincent Choo on facebook.

Pulau Sudong, Dec 09
Photo shared by Ivan Kwan on his flickr.



  • Tan Siong Kiat and Henrietta P. M. Woo, 2010 Preliminary Checklist of The Molluscs of Singapore (pdf), Raffles Museum of Biodiversity Research, National University of Singapore.
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