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Phylum Mollusca > Class Gastropoda > Family Muricidae
Ramose murex
Chicoreus ramosus
Family Muricidae
updated Oct 2016
Where seen? This large and beautifully sculptured snail is seldom encountered. So far, at Changi and Cyrene Reef. It is considered the largest murex in the Indo-Pacific. Elsewhere found near reefs and considered common, partially or completely buried in sand.

Features: 20-30cm long, thick heavy shell with short 'frilly' or leafy spines, usually white. Large operculum made of a horn-like material.

What does it eat? It feeds on clams and snails and is considered a pest on pearl oyster beds.

Human uses: It is actively collected in some parts of the world.

Status and threats: This snail is listed as 'Endangered' on the Red List of threatened animals of Singapore.

Cyrene Reef, Aug 13

Changi, May 17
Photo shared by Marcus Ng on facebook.

Changi, May 17
Photo shared by Marcus Ng on facebook.

Ramose murex on Singapore shores

Photos of Ramose murex for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map

Cyrene Reef, Dec 16
Photo shared by Ian Siah on facebook.

Changi, Jul 12
Photo shared by Loh Kok Sheng on his blog.

Changi, May 17
Photo shared by Loh Kok Sheng on facebook.



  • Toh Chay Hoon & Tan Siong Kiat. 10 July 2015. Ramose murex Chicoreus ramosus spawning at Pulau Hantu. Singapore Biodiversity Records 2015: 92-93
  • 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.
  • Davison, G.W. H. and P. K. L. Ng and Ho Hua Chew, 2008. The Singapore Red Data Book: Threatened plants and animals of Singapore. Nature Society (Singapore). 285 pp.
  • Abbott, R. Tucker, 1991. Seashells of South East Asia. Graham Brash, Singapore. 145 pp.
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