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Phylum Mollusca > Class Gastropoda > Family Potamididae
Red chut-chut snail
Cerithidea obtusa
Family Potamididae
updated Sep 2020
Where seen? This snail with a distinctive squat shape is often seen in our mangroves, on tree trunks, leaves and on the mud near trees.

Features: 3-5cm long. Shell thick squat (not so elongated) with ribs of fine beads. Tip usually broken. Shell opening wide usually with a thick flaring lip. Operculum circular and dark. In addition to a pair of eyes on tentacles, the snail has a third eye: called the pallial eye on its mantle margin.
Other Malay names include 'Mata merah' which means 'red eyes'. The living snail does indeed have red eyes! As well as a reddish margin around the foot.

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

Sungei Buloh, Mar 05

Pulau Ubin, Aug 09

The animal has red eyes!
Sungei Pandan, Jun 09
Human uses: Chut-chut are eaten in Singapore. They are boiled and eaten by biting off the tip of the shell and sucking out the animal. They are also collected for food in other parts of Southeast Asia.

Red chut-chut snails on Singapore shores
On wildsingapore flickr

Links

References

  • 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.
  • Abbott, R. Tucker, 1991. Seashells of South East Asia. Graham Brash, Singapore. 145 pp.
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