Onyx
cowrie
Cypraea onyx
Family Cypraeidae
updated
Dec 08
Where
seen? This
stunning snail with a golden-brown shell is sometimes seen on our
undisturbed Northern shores, near coral rubble.
Features: 3-4cm. Shell is pear-shaped, dark brown often
with two or three bands of gold across it. The underside is black
with an orange tinge on the 'teeth'. The mantle may be golden yellow
speckled with black spots, white blotches and short white projections.
Sometimes mistaken for a sea
slug. When the shell is completely covered in its mantle, it is
sometimes mistaken for a sea slug.
Here's more on how to
tell apart slugs and animals that look like slugs.
Status and threats: Like other
creatures of the intertidal zone, cowries are affected by human activities
such as reclamation and pollution. Trampling by careless visitors
and over-collection can also have an impact on local populations.
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East Coast,
Nov 08
Side view.
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Close up of 'teeth'.
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Underside covered with mantle.
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Onyx
cowries on Singapore shores

With mantle covering shell.
Pulau Sekudu, Jul 05
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Shell exposed.
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Underside
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Chek Jawa, Jan 02
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Pulau Sekudu, Jun 05
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Pulau Sekudu, Jun 04
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