Chicoreus crocatus   (Reeve  ) (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Image copyrights: G. & Ph. Poppe

Size: Length 33.1 mm; diameter 19.6 mm; length of aperture 8.3 mm; length of spire 11.95 mm; length of the canal 10.70 mm.

Color: Light brown with reddish saffron tinge prominent on spiral sculpture and interior of frondose spines.

Protoconch consists of 2½ whorls, as the shells eroded not seen very clear. Shell small, triangularly fusoid, spire elevated, consisting of 5 post nuclear whorls, suture shallow; aperture small, ovate, anal sulcus not deep, inverted ‘V’ shape. Outer lip dentate, interior with ten denticles leading to lirations. Columella adherent, canal short, straight, broadly open. Body whorl with 3 rounded moderate varices, only the last one bear frondose spines. Shoulder spine large, branched, followed by 3 short spines, canal with two spines, spine open. Axial sculpture consists of 2 longitudinal ridges, more prominent towards shoulder. Spiral sculpture consists of primary, secondary and tertiary threads, the former 2 thick and latter finely nodulose.

Shell found inhabited by hermit crab Coenobita rugosus.

Synonym (s)
Murex crocatus Reeve, 1845
Murex crocatus Tryon, 1880
Chicoreus crocatus Surya Rao and Subba Rao, 1991

Common Name (s)
Economic Importance and Threats



• Lakshadweep, Minicoy INDIA (Record: 15/03/1883, 1993)
• Lakshadweep INDIA (Record: 1993)
• SRI LANKA (Record: 1993)

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Surya Rao, KV and Subba Rao, NV (1991) Mollusca State fauna series 2: Fauna of Lakshadweep ZSI, Calcutta 273-362 Available at - NIO, Goa
  • Poppe, GT and Poppe, P (1996) Conchology, Inc. Conchology, Inc. Available at -
  • Subba Rao, NV and Surya Rao, KV (1993) Contribution to the knowledge of Indian marine molluscs: Pt. 3. Family: Muricidae Occasional paper no 153 Records of the Zoological Survey of India ZSI, Kolkata 133 pp Available at - NIO, Goa

Page last updated on:2010-06-15

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