Conus amadis   Gmelin,  1791 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: 50-110 mm

Color: Yellow to dark brown, zig-zag markings of tan or orange brown

Medium-sized to large, moderately solid to solid,Last whorl ventricosely conical or conical; outline slightly convex adapically, straight below. Shoulder angulate to carinate. Spire usually of moderate height, often variably stepped, to high in form arbornatalis; outline concave, to straight in form arbornatalis. Larval shell of 2-2.25 whorls, maximum- diameter 0.9-1 mm. First 3.5-5.5 post-nuclear whorls tuberculate, following whorls often carinate. Teleoconch sutural ramps concave, with 0 increasing to 5-6 spiral grooves and additional striae in late whorls. Last whorl with distinct to obsolete punctate spiral grooves from base to centre or beyond, separated by ribs at base and by ribbons above.

Synonym (s)
Conus amadis Crichton, 1941
Conus amadis Gmelin, 1791
Conus amadis Kiener, 1847
Conus amadis Lamarck, 1822
Conus amadis Reeve, 1844
Conus amadis Gravely, 1942
Conus amadis var. castaneofasciatus Dautzenberg, 1937
Conus arbornatalis da Motta, 1978
Conus aulicus var. aurantia Dautzenberg, 1937
Conus subacutus Fenaux, 1942
Cucullus venustus Roding, 1798

Common Name (s)
• Amadis Cone (English)
Economic Importance and Threats

Habitat:  Benthic, Demersal
Trophic Level:  Secondary Consumer
Prey:  Feeds on molluscs


• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Nicobar Islands (Lat: 7) (Long: 93) INDIA
• East Coast, Coromandel (Lat: 14) (Long: 80.17) INDIA
• Tamil Nadu, Parangipettai Coast (Lat: 11.48) (Long: 79.77) INDIA
• Tamil Nadu, Chennai INDIA
• Pondicherry INDIA
• Tamil Nadu, Cuddalore INDIA
• Tamil Nadu, Nagapattinam INDIA
• Tamil Nadu, Rameswaram Island INDIA
• Tamil Nadu, Krusadai Island INDIA
• Tamil Nadu, Parangipettai Coast INDIA
• Tamil Nadu, Vaan Island INDIA
• Tamil Nadu, Gulf of Mannar, Hare Island INDIA
• Tamil Nadu, Koswari Island INDIA
• Tamil Nadu, Cuddalore (Lat: 11.7) (Long: 79.8) INDIA (Record: 12/03/2004) (Depth: 18 mts)
• Tamil Nadu, Mandapam INDIA
• Tamil Nadu, Keezha Karai 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
  • Tikadar, BK; Daniel, A and Subbarao, NV (1986) Sea shore animals of Andaman and Nicobar Islands The Director, ZSI, Kolkatta 188 Available at - ZSI, Pune
  • Apte,D (1998) The book of Indian shells Oxford University Press 115
  • (2001) Invertebrate zoology collections Available at -
  • 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
  • Venkatraman, K; Srinivasan, M; Satyanarayana, CH and Prabhakar D (2002) Faunal diversity of Gulf of Mannar biosphere reserve Conservation area series 15 ZSI 77 pp; VIII pla Available at - NCL, Pune
  • Rajagopal, S; Khan, SA; Srinivasan, M and Shanmugam, A (1998) Gastropods of Parangipettai coast Annamalai University 38 pp Available at - NIO, Goa
  • OBIS Indo-Pacific molluscan database Available at -
  • Fernando, AS and Fernando, OJ (2002) A field guide to the common invertebrates of the east coast of India Centre of Advanced Study in Marine Biology 1-258 Available at - NIO, RC Kochi
  • Kasinathan, R; Singarawadivelan, G and Saminathan, R (1997) Venomous cone snails of southeast coast of India 1 Available at - NIO, Goa
  • Kohn, AJ The Conus Biodiversity website Available at -
  • (1999) Bisyogai Database Available at -
  • Mohanraj, J; Johnson, JA; Ranjan, R; Johnson, L; Pandi, U and Shunmugaraj, T (2010) Coral reef associated gastropods in Tuticorin coast of Gulf of Mannar biosphere reserve, India Indian Journal of Science and Technology Indian Society for Education and Environment 3(2) 204-206 Available at -
  • Franklin, JB; Fernando, SA; Chalke, BA; Krishnan, KS (2007) Radular morphology of Conus (Gastropoda: Caenogastropoda: Conidae) from India Molluscan Research Magnolia Press 27(3) 111–122 Available at -
  • Sealifebase Available at -
  • Sundaram, KS; Sarvesan, R; Mohamed, KH and Shanbhogue, SL (1969) Catalogue of molluscs, prawns, stomatopods and marine algae in the reference collections of the central marine fisheries research institute Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 9 1-52 Available at -

Page last updated on:2011-03-11

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