Conus obscurus   G.B. Sowerby I,  1833 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: 25-44 mm

Color: Last whorl greyish blue to violet. Variably prominent spiral rows of alternating brown and grey dots and dashes from base to shoulder. Brown flames, clouds and blotches usually concentrated in spiral bands below shoulder, just above centre and within basal third. Larval whorls red to orange. Early postnuclear sutural ramps grey, often dotted with dark brown at both margins in first whorl and with brown radial lines and streaks in following whorls. Later sutural ramps bluish grey with confluent brown radial blotches, often completely overlaid with brown. Aperture translucent or with thin white enamel.

Moderately small to medium-sized, light to moderately light. Last whorl cylindrical to narrowly cylindrical; outline almost straight; left side slightly concave at basal fourth to third. Aperture wider at base than near shoulder. Shoulder angulate. Spire usually of moderate height, outline straight or slightly concave. Larval shell of 3.75-4.0 whorls, maximum diameter about 1 mm. First 2-4 postnuclear whorls tuberculate. Teleoconch sutural ramps flat to slightly concave, with 1 increasing to 4-6 major spiral grooves, sometimes to 8 finer grooves; sculpture usually weak on late ramps. Last whorl with a few weak spiral ribs at base.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Reef Associated
Trophic Level:  Secondary Consumer
Prey:  Fish


Literature Source(s)
  • Ghosh, AK (1982) Fauna of India and the adjacent countries: Homoptera: Aphidoidea (Lachninae) ZSI 2 167 pp Available at - NCL, Pune
  • Kohn, AJ The Conus Biodiversity website Available at -
  • Paganelli, G Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2012-10-10

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