Conus adamsonii 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Gastropoda Neogastropoda Conidae

Scientific Name: Conus adamsonii
Species Authority: Broderip, 1836
Conus aureolus G.B. Sowerby II, 1858
Conus castaneus Kiener, 1845
Conus cingulatus G.B. Sowerby II, 1825
Conus rhododendron Jay, 1839

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2013
Date Assessed: 2011-10-26
Assessor(s): Bouchet, P.
Reviewer(s): Peters, H. & Seddon, M.
Facilitator/Compiler(s): Hines, A., Peters, H. & Athorn, M.
This species is widespread through the Central Pacific Islands extending from the Coral Sea to French Polynesia and as far north as the Marshall Islands.  It has a known depth range of 10-50 m. This species is considered uncommon throughout its range. It is highly sought in the specimen shell trade and commands high prices however this is not considered to be a major threat to this species.  Also, its vast distribution overlaps numerous marine protected areas.  It is listed as Least Concern.

Geographic Range [top]

Range Description:

This species is widespread through the central Pacific Islands extending from the Coral Sea to French Polynesia and as far north as the Marshall Islands (Röckel et al. 1995).  It has a known depth range of 10-50 m.

Countries occurrence:
American Samoa (American Samoa, American Samoa, Swains Is.); Cook Islands; Fiji; French Polynesia (Marquesas); Kiribati; Marshall Islands; Nauru; Niue; Samoa; Solomon Islands; Tokelau; Tonga; United States Minor Outlying Islands (Howland-Baker Is., Johnston I., Wake Is.); Vanuatu; Wallis and Futuna
FAO Marine Fishing Areas:
Pacific – western central; Pacific – eastern central
Lower depth limit (metres):50
Upper depth limit (metres):10
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is considered uncommon throughout its range.
Current Population Trend:Unknown
Additional data:
Continuing decline of mature individuals:Unknown
Extreme fluctuations:UnknownPopulation severely fragmented:Unknown

Habitat and Ecology [top]

Habitat and Ecology:This species has been found crawling on clean sand at 44 m at night in the Marquesas. It is found at depths of 10 to 50 m.  Adults of the species can grow to 56 mm although they will typically be less than this (Röckel et al. 1995).
Continuing decline in area, extent and/or quality of habitat:Unknown

Use and Trade [top]

Use and Trade:

This species is highly sought in the specimen shell trade, and commands high prices (Rice 2007).

Threats [top]

Major Threat(s): There are no major threats known to affect this species.

Conservation Actions [top]

Conservation Actions: The vast range of this species overlaps numerous marine protected areas.

Classifications [top]

9. Marine Neritic -> 9.4. Marine Neritic - Subtidal Sandy
suitability: Suitable  major importance:Yes

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
In-Place Species Management
In-Place Education

♦  Sport hunting/specimen collecting
 International : ✓ 

Bibliography [top]

Bellwood, D.R., Hughes, T.P., Folke, C. and Nystrom, M. 2004. Confronting the Coral Reef Crisis. Nature 429: 827-833.

Bruno, J.F. and Selig, E.R. 2007. Regional Decline of Coral Cover in the Indo-Pacific: Timing, Extent, and Subregional Comparisons. Plos One.

Dance, S.P. 1969. Rare Shells. University of California Press.

IUCN. 2013. IUCN Red List of Threatened Species (ver. 2013.1). Available at: (Accessed: 12 June 2013).

Rice, T. 2007. A Catalog of Dealers' Prices for Shells: Marine, Land and Freshwater. Sea and Shore Publications.

Roberts, C.J. and Hawkins, J.P. 1999. Extinction Risk In The Sea. Trends in Ecology and Evolution 14(6).

Röckel, D., Korn, W. & Kohn, A.J. 1995. Manual of the Living Conidae, Vol 1. Verlag Christa Hemmen.

Citation: Bouchet, P. 2013. Conus adamsonii. In: The IUCN Red List of Threatened Species 2013: e.T192848A2173431. . Downloaded on 29 November 2015.
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