[1] The shells of these large sea snails have a very thick layer of nacre; this species has been commercially fished as a source of mother of pearl.

These large snails live in tropical reefs in the Indian Ocean (off Tanzania, Madagascar, Aldabra and the Mascarene Basin) and tropical western Pacific oceans; also off Queensland, Australia.

It was also deliberately introduced to Samoa and Tonga in the 1990's - but it is unclear if these populations became self-sustaining - and French Polynesia, where it provides an important fishery for food and shell products.

[4] Turbo marmoratus is the host of the ectoparasitic copepod Anthessius isamusi Uyeno & Nagasawa, 2012 The shell of marbled turbans is used as a source of nacre.

The large opercula of Turbo marmoratus have been sold as paperweights or door stops.