Conus arenatus   Hwass in Bruguiere,  1792 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: 35-67 mm

Color: Ground colour white. Last whorl with spiral rows of brown or black dots, clustered in 2-3 interrupted spiral bands or in axial zigzag flames, dotted areas often with underlying grey shadows, most conspicuous within spiral bands. Opaque white dashes often irregularly alternating with dark dots. Larval whorls white. Teleoconch sutural ramps variably maculated with axial clusters of brown and black dots. Aperture white, brown or pinkish orange deeper within.

Medium-sized to large, moderately solid to moderately heavy, maximum size smaller in eastern populations. Last whorl usually ventricosely conical in eastern populations, conical to sometimes broadly conical in the W. Indian Ocean, outline convex, sometimes straight centrally. Siphonal fasciole distinct, occasionally separated from basal zone by an incision. Shoulder subangulate to rounded, weakly to strongly tuberculate. Spire of low to moderate height, outline straight to moderately convex. Postnuclear spire whorls tuberculate. Teleoconch sutural ramps concave, with 1 increasing to 4-6 spiral grooves. Last whorl with weak spiral ribs at base, in subadults and small adults, ribs may be granulose and extend to shoulder.

Synonym (s)
Conus arenatus bizona Coomans, Moolenbeek & Wils, 1981
Conus arenatus var. aequipunctata Dautzenberg, 1937
Conus arenatus var. granulosa Lamarck, 1822
Conus arenatus var. mesokatharos Tryon, 1884
Conus arenatus var. punctisminutissus Lamarck, 1822
Conus arenatus var. undata Dautzenberg, 1937
Conus armatus E. A. Smith, 1891
Conus catus var. granulosa Dautzenberg, 1937
Puncticulis arenatus (Hwass in Bruguiere, 1792)

Common Name (s)
• Fleabite Cone
• Sand Dusted Cone
Economic Importance and Threats

Habitat:  Reef Associated,Sandy
Trophic Level:  Secondary Consumer
Prey:  Polychaetes


• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Nicobar Islands (Lat: 7) (Long: 93) INDIA

Literature Source(s)
  • (2002) Lakshadweep Islands biodiversity strategy and action plan (Version: 3)
  • 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
  • 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
  • Saad, MAH (1984) Proceedings of the Symposium on Coral Reef environment of the Red Sea King Abdulaziz University, Saudi Arabia 1-681 Available at - NIO, RC Kochi
  • Allen, GR (2005) Reef fishes of northwestern Madagascar RAP Bulletin of Biological Assessment 31 39-48
  • Kohn, AJ The Conus Biodiversity website Available at -
  • Paganelli, G Available at -

Page last updated on:2012-07-17

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