Lambis (Harpago) chiragra chiragra   Linnaeus,  1758 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: Upto 200 mm in height.

Color: White, mottled with brown, outer lip, columella and aperture dirty brown.

Shell very large; spire low, with nine angulated whorls. Aperture very narrow and small, outer lip curved posteriorly over the top of columella covering almost half of the spire, with six digitate processes pointing posteriorly, stromboid notch deep; columella and inner edge of outer lip lirate; parietal area wide.
Sculptured with spiral striae on the spire, becoming coarse on body whorl, four rows of knobs on the body whorl, four large knobs on the shoulder, the last two largest and almost fused, four other rows of knobs, the lowest bearing weak knobs.

Male and female shells are different. The former has smaller shells, with strong white spiral lirae over a purple coloured columella, five knobs on the body whorl. Female has a bigger shell, whitish rosy aperture and smooth white columella.

Synonym (s)
Lambis chiragra Linne Abbott, 1950
Lambis harpago Roding, 1798
Lambis undulata Roding, 1798
Pterocera kochii Freyer, 1855
Pterocera rugosum Sowerby, 1842
Strombus chiragra Gmelin, 1758
Strombus chiragra Linnaeus, 1758
Lambis (Harpago) chiragra chiragra Subba Rao, 1982

Common Name (s)
Economic Importance and Threats



• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Nicobar Islands (Lat: 7) (Long: 93) INDIA
• Lakshadweep, Kavaratti INDIA
• Lakshadweep, Kalpeni INDIA
• Lakshadweep INDIA
• Andaman and Nicobar Islands INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Andaman and Nicobar Islands, Andamans INDIA
• Andaman and Nicobar Islands, Great Nicobar INDIA

Literature Source(s)
  • Subba Rao, NV (2003) Indian seashells Records of the Zoological Survey of India ZSI, Kolkata (Part 1) 416 pp Available at - NCL, Pune
  • Subba Rao, NV and Dey, A (2000) Catalogue of marine molluscs of Andaman and Nicobar Islands Occasional paper no 187 Records of the Zoological Survey of India ZSI 1-323 Available at - NCL, Pune
  • 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
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at -

Page last updated on:2010-07-01

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