Conomurex decorus

Conomurex decorus, common name : the Mauritian Conch, is a species of sea snail, a marine gastropod mollusk in the family Strombidae, the true conchs.

Description
The shell size varies between 35 mm and 80 mm.

Distribution

 * Mediterranean Sea
 * Red Sea
 * Indian Ocean near Aldabra Atoll, the Mascarene Basin, Mauritius and Tanzania
 * Pacific Ocean near Singapore.