Chelycypraea testudinaria

The shape is oval or sub-cylindrical, the dorsum surface is smooth and shiny, the basic color is whitish or yellowish and it is covered by very irregular dark brown patches and spots.

The base may be whitish, pale brown or pink, the aperture is long and narrow and the teeth are white, short and fine.

In the living animal the mantle is bluish-greyish and almost transparent, while the sensorial papillae are lighter and rather long.

This species is distributed in the Indian Ocean and in the Pacific Ocean along Aldabra, Chagos, the Comores, Kenya, Madagascar, the Mascarene Basin, Mauritius, Mozambique, Réunion, the Seychelles, Zanzibar and Tanzania, Malaysia, Samar Island, Sulu Sea, Vietnam and Philippines (excluded Hawaii).

These cowries live on coral reef, in crevices and beneath large rocks in shallow subtidal waters at 5–15 metres (16–49 ft) of depth.

A shell of Chelycypraea testudinaria , dorsal view, anterior end towards the right
A shell of Chelycypraea testudinaria , lateral view, anterior end towards the right
Ventral view of a shell of Chelycypraea testudinaria , anterior end towards the bottom