Flora index
Fauna index
guide to the mangroves of singapore
Peter K L Ng and N Sivasothi (editors)
  Mud whelk
Nassarius jacksonianus
Family Nassariidae

close-up of upper and underside of shell
Nassarius jacksonianus
apertural and dorsal views
of cleaned specimens
Shell height 1.5 cm
Well known as scavengers, they are often found in shallow muddy pools during low tide waving their long, narrow siphons searching for dead animals.
group of shells on mud
A 'pack' of N. jacksonianus
waiting for a whiff of protein
molecules to lead them
to their next meal
They detect prey using the osphradium, a chemosensory organ having a large surface area located near the base of the siphon.

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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