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Phylum Mollusca > Class Gastropoda > Family Cypraeidea
Onyx cowrie
Cypraea onyx

Family Cypraeidae
updated Aug 10
Where seen? This stunning snail with a golden-brown shell is sometimes seen on our undisturbed Northern shores, in silty sandy areas near seagrasses and coral rubble. Elsewhere, it is found in coral rubble and muddy areas including mangroves.

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.

Human uses: It is collected for subsistence food by coastal dwellers and the shell for the shell trade.

East Coast, Nov 08
Side view.

Close up of 'teeth'.

Underside covered with mantle.

Onyx cowries on Singapore shores

With mantle covering shell.
Pulau Sekudu, Jul 05

Shell exposed.

Underside.


Chek Jawa, Jan 02

Pulau Sekudu, Jun 05

Pulau Sekudu, Jun 04

more photos of onyx cowries on Singapore shores
part 1 | part 2

Links

  • Onyx cowrie (Cypraea onyx) on SeaLife Base: Technical fact sheet.
  • Onyx cowrie (Cypraea onyx) 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

www.flickr.com
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