Where seen? This moon snail with a spotted body is sometimes seen on sandy areas near reefs on some of our Southern shores. It is also known as Gualtieri's moon snail.

Features: 2-3cm. Shell smooth thick spherical (not flat) with the spiral tip sticking out. Shell pattern beige, grey or orange sometimes with broad darker bands overlaid with many thin dark bands. On the underside, a small comma-shaped depression. Operculum pearly white with a dark smudge where the whorl starts, smooth (no grooves). Body white with dark spots all over, tentacles short.

• Photos for free download
• Map of sightings in Singapore

• Natica gualtieriana on The Seashells of New South Wales by Des Beechey Research Associate, Australian Museum:
• Gualteri's moon snail (Natica gualtieriana) on SeaLife Base: Technical fact sheet.
• Gualteri's moon snail (Natica gualteriana) in the Gastropods section by J.M. Poutiers in the FAO Species Identification Guide for Fishery Purposes: The Living Marine Resources of the Western Central Pacific Volume 1: Seaweeds, corals, bivalves and gastropods on the Food and Agriculture Organization of the United Nations (FAO) website.

• Tan Siong Kiat and Henrietta P. M. Woo, 2010 Preliminary Checklist of The Molluscs of Singapore (pdf), Raffles Museum of Biodiversity Research, National University of Singapore.
• Abbott, R. Tucker, 1991. Seashells of South East Asia. Graham Brash, Singapore. 145 pp.