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Phylum Mollusca > Class Gastropoda > Family Muricidae
Ramose murex
Chicoreus ramosus
Family Muricidae
updated Feb 2020
Where seen? This large and beautifully sculptured snail is sometimes seen, often many of similar size can be seen at one location, then none seen for some time. 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. Bright orange edge at the shell opening. Large brown operculum made of a horn-like material. Animal is large and fleshy, brownish.

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.

Ramose murex on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores

Changi, May 17
Photo shared by Marcus Ng 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.

Pulau Sekudu, Jul 19
Photo shared by Rene Ong on facebook

East Coast Park (B), Jun 21
Photo shared by Richard Kuah on facebook

Pulau Semakau (East), Apr 22
Photo shared by Juria Toramae on facebook

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

Cyrene Reef, Feb 20
Photo shared by Toh Chay Hoon on facebook

Terumbu Pempang Tengah, May 21
Photo shared by Loh Kok Sheng on facebook



  • Spencer Yau Jia Ming, Sarah Priyanka Nelson & Bryan Wong Kang Ing. 30 September 2020. Ramose murex snails at Changi Beach. Singapore Biodiversity Records 2020: 136-137. The National University of Singapore.
  • 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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