Where seen? The delightful living snail are sometimes encountered
on our Southern shores. Elsewhere, it is considered moderately common
and usually found subtidally on sandy and muddy bottoms, from depths
of 10 to 120m, mostly between 10 and 65m.
Features: 5-7cm in diameter. An
unmistakable snail, the shell coils form a flat disc-shape with a
flat base. The shell is beautifully banded in shades of black and
brown. The body and fat tentacles are striped too, to match the shell.
The operculum is made of a horn-like material.
What does it eat? It is said to
eat burrowing sea anemones and sea pens. The mouth region is lined
with a tough cuticle as a protection against stings of their prey.
Status and threats: The Clear
sundial snail is listed as 'Endangered' in the Red List of threatened
animals of Singapore. The original shores where they were found have
been lost to reclamation.
Sisters Island, Jan 10
Laying egg mass.
St. John's Island, May 09
Photo shared by Loh Kok Sheng on his
Pulau Hantu, Mar 10
sundial snails on Singapore shores
clip of clear sundial snail on Singapore shores