shelled snails text index | photo index
Phylum Mollusca > Class Gastropoda > Family Olividae
Olive snail
awaiting identification*
Family Olividae
updated Oct 10

Where seen? This bullet-shaped snail is sometimes encountered on the silty sandy shores near seagrasses.

Features: 2-3cm. Shell cylindrical and looks like an olive. The shell pattern in a series of closely set zig-zag lines. The shell opening is violet on the inner portion. The animal has a large pale body with grey or brownish spots all over. A long siphon sticks out of the notch in the shell. It is a burrowing snail and more often seen above the ground at night.

Changi, May 05

It is a burrowing snail.
Changi, Jun 06

Underside.

The inner portion of the shell opening is violet.

Olive snails on Singapore shores

Hunting Button snails.
East Coast Park, Aug 11

East Coast Park, Aug 11


Chek Jawa, Jul 08


Changi, Jun 06


Changi, Jun 09

more photos of olive snails on Singapore shores
northern shores part 1 | part 2
southern shores part 3

*Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.

Links
  • Family Olividae on The Gladys Archerd Shell Collection at Washington State University Tri-Cities Natural History Museum website: brief fact sheet on moon snails with photos.
  • Family 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.

References

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