Flora index
Fauna index
guide to the mangroves of singapore
Peter K L Ng and N Sivasothi (editors)
Mud creepers
Matah Merah, Belitong, Chut-chut
Cerithidea obtusa

Family Potamididae

close-up of greenish shell
Cerithidea obtusa
Shell length 3.5cm

close-up of brownish shell
The flared apertural
lip and broken apex
is characteristic of
C. obtusa
Shell length 3.5 cm
a group creeping up a tree trunk
Group of C. obtusa
on a tree trunk
One of the several animals that are still sold live in our wet markets.

They are unique in having a third eye known as the pallial (mantle) eye (complete with lends and cornea) on the underside of the inhalant siphon.

Its multispiral operculum with a central nucleus is one of the characteristics of this family.

<<Back to molluscs
What is mangrove?

The Ecosystem


Indirect uses
Potential uses

About Mangroves
in Singapore

Mangroves to visit
From "A Guide to Mangroves of Singapore", Peter K. L. Ng and N. Sivasothi (editors)
Volume 1: The Ecosystem and Plant Diversity and Volume 2: Animal Diversity
Authors: Kelvin K. P. Lim, Dennis H. Murphy, T. Morgany, N. Sivasothi, Peter K. L. Ng,
B. C. Soong, Hugh T. W. Tan, K. S. Tan & T. K. Tan
BP Guide to Nature Series published by the Singapore Science Centre, sponsored by British Petroleum
2001 Raffles Museum of Biodiversity Research, The National University of Singapore & The Singapore Science Centre