seen? This small bullet-shaped snail is sometimes seen
on Changi and our Northern shores. It is a burrowing snail and more
often seen above the ground at night or with the incoming tide.
Features: 2-3.5cm. Shell thick
heavy, cylindrical bullet-shaped with conical spire. The glossy shell
beige with closely set fine dark brown zig-zag lines. The shell opening
violet. The animal has a large beige body with brownish spots all
over. A long siphon sticks out of the notch in the shell.
Changi, Jun 06
Short conical spire.
Shell opening violet.
East Coast Park, Aug 09
*Species are difficult
to positively identify without close examination.
On this website, they are grouped by external features for convenience of
olive snails on Singapore shores
mustelina on SeaLife Base: Technical fact sheet and photo.
Olividae in the Gastropods section by J.M. Poutiers in the FAO
Species Identification Guide for Fishery Purposes: The Living
Marine Resources of the Western Central Pacific Volume
1: Seaweeds, corals, bivalves and gastropods on the Food and
Agriculture Organization of the United Nations (FAO) website.
- 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.