[1] This species is sought after for food but also to be used as a trumpet when the tip of the spire is cut off.

The shoulders on the whorls are covered with spiral rows of slightly pointed strong nodules.

The surface is covered with fine, brown, incised spiral lines, mainly in pairs.

[1] Pleuroploca trapezium has been observed preying on the spiny cerith (Cerithium echinatum) in the Seychelles.

[4] This species is distributed in the Red Sea and in the Indian Ocean along Aldabra Atolls of Seychelles, Madagascar, Mauritius, Mozambique, Réunion (France), South Africa and Tanzania; in the Pacific Ocean from Japan down to Melanesia, New Caledonia (France) and North Queensland but rarely along Australian coasts.