Conus pennaceus   Born,  1778 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: 35-51 mm

Color: Ground colour white, often variably suffused with greyish blue to greyish violet, sometimes with yellowish to pinkish cream, orangish to light brown, or with pink to red or violet. Last whorl usually overlaid with yellow or orange to brown, red-brown or blackish brown, leaving many tiny to moderately large tentlike ground-colour markings. Tents separate or fused, edged with a darker line at the frontal sides and usually concentrated in 3 spiral bands, below shoulder, near centre and at base, usually also grouped in axial clusters to form 2-5 axial bands. Dark overlying spots, flecks, and blotches largely solid to sometimes perforated, often forming 2-3 interrupted to continuous spiral bands, and usually with closely spaced, dotted to solid darker spiral lines variably articulated with small ground-colour markings.

Medium-sized to large, moderately solid to moderately heavy. Last whorl conoid-cylindrical or ventricosely conical to conical or ovate, outline variably convex at adapical fourth to third, occasionally two-thirds, nearly straight below. Aperture wider at base than near shoulder to uniformly broad. Shoulder angulate to rounded. Spire of low to moderate height, outline concave to convex in late whorls, usually slightly convex to domed in early whorls, apex often straight-sided in shells from S. Madagascar and occasionally in shells from N. Mozambique. In Hawaii, larval shell of about 1.75 whorls, maximum diameter 0.7-0.75 mm, in the Indian Ocean, maximum diameter about 0.8 mm. Teleoconch sutural ramps flat to slightly convex, usually slightly concave in latest whorls, middle ramps with 2 increasing to 3-5 weak spiral grooves, latest ramps usually with numerous spiral striae. Last whorl with weak to distinct ribs basally and with spiral striae from base to shoulder.

Synonym (s)
Conus colubrinus Lamarck, 1810
Conus elisae Kiener, 1850
Conus episcopus Hwass in Bruguiere, 1792
Conus episcopus mauritiensis Lauer, 1992
Conus omaria var. marmoricolor Melvill, 1900
Conus pennaceus bazarutensis Fernandes & Monteiro, 1988
Conus pennaceus corbieri Blocher, 1994
Conus pennaceus tsara Korn, Niederhofer & Blocher, 2000
Conus pennaceus vezoi Korn, Niederhofer & Blocher, 2000
Conus praelatus Hwass in Bruguiere, 1792
Conus quasimagnificus Reeve, 1843
Conus racemosus G.B. Sowerby II, 1874
Conus rubiginosus Hwass in Bruguiere, 1792
Conus rubropennatus Da Motta, 1982
Conus sindon Reeve, 1844
Conus stellatus Kiener, 1845
Cucullus gentilis Roding, 1798
Darioconus pennaceus (Born, 1778)

Common Name (s)
• Feathered Cone
Economic Importance and Threats

Habitat:  Reef Associated,Rocky,Sandy
Trophic Level:  Secondary Consumer
Prey:  Prosobranch and opisthobranch gastropods


• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Nicobar Islands (Lat: 7) (Long: 93) INDIA
• Andaman and Nicobar Islands, Andamans INDIA
• Andaman and Nicobar Islands, Port Blair (Lat: 11.67) (Long: 92.75) INDIA
• Andaman and Nicobar Islands, Katchall 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
  • 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
  • Kohn, AJ The Conus Biodiversity website Available at -
  • Eddie, H Hardy's internet guide to marine gastropods Available at -

Page last updated on:2012-07-17

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