Thais blanfordi   Melvill,  1893 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Image copyrights: G. & Ph. Poppe

Size: Length 19.25-30.00 mm; diameter 11.90-18.60 mm; length of aperture 11.50-18.45 mm; length of spire 9.40-14.05 mm.

Color: Light brown, interior white, dark blotches on columella.

Shell ovately fusiform, spire high, acute, consists of 4 angulated whorls, body whorls large with distinct angulation at shoulder, aperture ovate, anal sulcus broad inverted ā€˜Uā€™ shape margined by ridge. Outer lip crenulate, interior lirate, 8 in number arranged in pairs, inner lip smooth, slightly twisted anteriorly. Canal short, broadly open. Spiral sculpture consists of 6 major threads above shoulder, followed by 4, first thread followed by a minor thread each. Axial sculpture consists of 11-12 tubercles, low, sometimes inconspicuous.

This species closely resembles Thais tissoti but differs in the absence of deep bisulcate transverse grooves and revolving ridges with dark brown nodules.

Synonym (s)
Purpura (Stramonita) blanfordi Melvill, 1893
Purpura (Stramonita) blanfordi Melvill & Standen, 1901
Thais blanfordi Subrahmanyam et al., 1952
Thais (Thaisella) blanfordi (Melvill, 1893)

Common Name (s)
Economic Importance and Threats

Habitat:  Rocky, Coastal


• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Maharashtra, Nariman Point INDIA (Record: 12/2006-11/2007)
• Gujarat, Mandvi INDIA
• Gujarat, Kachchh INDIA
• Gujarat, Bhadreswar INDIA
• Maharashtra, Mahim beach INDIA
• Goa, Colva beach INDIA
• Goa, Galgibaga INDIA
• Karnataka, Dhareswar INDIA
• Karnataka, Kumta INDIA
• Karnataka, St. Mary Island INDIA
• Kerala, Kozhikode INDIA
• Kerala, Kannur INDIA
• Kerala, Kollam INDIA
• Kerala, Narakkal INDIA
• Kerala, Kochi INDIA
• Andaman and Nicobar Islands, Andamans INDIA
• Persian Gulf
• Karachi PAKISTAN
• Maharashtra, Mumbai (Lat: 18.9) (Long: 72.78) INDIA (Record: 12/2006-11/2007)
• Maharashtra, Mumbai (Lat: 19.15) (Long: 72.93) INDIA (Record: 12/2006-11/2007)
• Maharashtra, Mumbai 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
  • 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
  • Tan, KS and Sigurdsson, JB (1996) Two new species of Thais (Mollusca: Neogastropoda: Muricidae) from Peninsular Malaysia and Singapore, with notes on T. tissoti (Petit, 1852) and T. blanfordi (Melvill, 1893) from Bombay, India The Raffles Bulletin of Zoology 44 (1) 77-107 Available at - Zoological Records
  • Datta, SN; Chakraborty, SK; Jaiswar, AK and Venkateshvaran, K (2008) Temporal and spatial differences in species diversity in the intertidal region of south Mumbai Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin, India 50(1) 29-37 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Eddie, H Hardy's internet guide to marine gastropods Available at -
  • Datta, SN; Chakraborty, SK; Jaiswar, AK and Ziauddin, G. (2010) A comparative study on intertidal faunal biodiversity of selected beaches of Mumbai coast Journal of Environmental Biology Academy of Environmental Biology, India, 31(6) 981-986 Available at -
  • Jaiswar, AK and Kulkarni, BG (2001) Vertical distribution of molluscs in the intertidal area in and around Mumbai, India Journal of Indian fisheries association Indian fisheries association, Mumbai, India 28 93-100 Available at - NIO, Goa

Page last updated on:2010-12-29

Back to Search