Chelycypraea testudinaria (Tortoise shell cowrie)

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. One of the largest species of cowries.