Conus miliaris: Difference between revisions
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Like all species within the genus Conus, these snails are [[predatory]] and [[venomous]]. They are capable of "stinging" humans, therefore live ones should be handled carefully or not at all. |
Like all species within the genus Conus, these snails are [[predatory]] and [[venomous]]. They are capable of "stinging" humans, therefore live ones should be handled carefully or not at all. |
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There is one subspecies:''Conus miliaris |
There is one subspecies:''Conus miliaris pascuensis" Rehder, H.A., 1980 |
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==Description== |
==Description== |
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==References== |
==References== |
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This article incorporates CC-BY-2.5 text from the reference <ref name="Duda 2009">Duda T. F. Jr. & Lee T. (2009). "Ecological Release and Venom Evolution of a Predatory Marine Snail at Easter Island". ''[[PLoS ONE]]'' '''4'''(5): e5558. |
This article incorporates CC-BY-2.5 text from the reference <ref name="Duda 2009">Duda T. F. Jr. & Lee T. (2009). "Ecological Release and Venom Evolution of a Predatory Marine Snail at Easter Island". ''[[PLoS ONE]]'' '''4'''(5): e5558. {{doi|10.1371/journal.pone.0005558}}</ref> |
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{{reflist}} |
{{reflist}} |
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* Dautzenberg, Ph. (1929). ''Mollusques testacés marins de Madagascar.'' Faune des Colonies Francaises, Tome III |
* Dautzenberg, Ph. (1929). ''Mollusques testacés marins de Madagascar.'' Faune des Colonies Francaises, Tome III |
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Revision as of 10:29, 14 June 2012
| Conus miliaris | |
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| Apertural view of a shell of Conus miliaris miliaris | |
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| Species: | C. miliaris
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| Binomial name | |
| Conus miliaris | |
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Conus miliaris, common name the thousand-spot cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.[2]
Like all species within the genus Conus, these snails are predatory and venomous. They are capable of "stinging" humans, therefore live ones should be handled carefully or not at all.
There is one subspecies:Conus miliaris pascuensis" Rehder, H.A., 1980
Description
The size of an adult shell varies between 12 mm and 43 mm. The spire is more or less raised, striate or sometimes nearly smooth, with or without tubercles The body whorl is striate, the stride usually grannlous towards the base, and sometimes throughout. The color of the shell is yellowish or light chestnut or grayish, variously clouded with darker chestnut or olive, often irregularly light-banded at the middle, and below the spire, and encircled with chestnut spots on the striae. The interior is chocolate, with a central white band. There is considerable variation in the height and coronation of the spire, as well as in the color and pattern of the markings. [3]
Distribution
Conus miliaris is a species of wide distribution, and apparently everywhere common. It occurs in tropical to subtropical shallow water environments from the Red Sea and eastern shores of Africa in the western Indian Ocean (Aldabra, Chagos, Kenya, Madagascar, the Mascarene Basin, Mauritius, Mozambique and Tanzania) to Easter Island and Sala y Gómez in the southeastern Pacific (but not along the Galapagos Islands, the Marquesas Islands and Hawaii).[4]
Feeding habits
These snails are predatory and venomous. They are capable of "stinging" humans, therefore live ones should be handled carefully or not at all.
Presumably in response to the relative absence of congeners at Easter Island, Conus miliaris has undergone ecological release: it preys on a more diverse assemblage of prey at Easter Island and is more abundant at Easter Island than at other localities in its range.[4] Conus miliaris from most areas in the Indo-West Pacific, where it co-occurs with as many as 36 congeners, preys almost exclusively on three species of eunicid polychaetes (Eunicidae).[4]
But at Easter Island its diet is considerably broader and includes additional species of eunicids as well as several species of nereids, an onuphid and members of seven other polychaete families.[4] Its prey on Easter Island include: Eunicidae includes Lysidice collaris, Nematonereis unicornis, Eunice afra, Eunice cariboea and Palola siciliensis; Nereididae includes Perinereis singaporensis; Onuphidae includes Onuphis sp.[4]
Gallery
Below are several color forms and one subspecies:
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Conus miliaris Hwass in Bruguière, J.G., 1792 -
Conus miliaris Hwass in Bruguière, J.G., 1792 -
Conus miliaris pascuensis Rehder, H.A., 1980 -
Conus miliaris pascuensis Rehder, H.A., 1980
References
This article incorporates CC-BY-2.5 text from the reference [4]
- ^ Bruguière, J. G., and Hwass, C. H., 1792. Cone. Encyclopédie Méthodique: Histoire Naturelle des Vers, 1: 586 -757
- ^ a b Conus miliaris Hwass in Bruguière, 1792. Retrieved through: World Register of Marine Species on 31 July 2011.
- ^ George Washington Tryon, Manual of Conchology vol. VI p. 21-22; 1879
- ^ a b c d e f Duda T. F. Jr. & Lee T. (2009). "Ecological Release and Venom Evolution of a Predatory Marine Snail at Easter Island". PLoS ONE 4(5): e5558. doi:10.1371/journal.pone.0005558
- Dautzenberg, Ph. (1929). Mollusques testacés marins de Madagascar. Faune des Colonies Francaises, Tome III
- Filmer R.M. (2001). A Catalogue of Nomenclature and Taxonomy in the Living Conidae 1758 - 1998. Backhuys Publishers, Leiden. 388pp.
- Tucker J.K. (2009). Recent cone species database. September 4th 2009 Edition
- Spencer, H.; Marshall. B. (2009). All Mollusca except Opisthobranchia. In: Gordon, D. (Ed.) (2009). New Zealand Inventory of Biodiversity. Volume One: Kingdom Animalia. 584 pp
External links
- The Conus Biodiversity website
- Gastropods.com: Conus miliaris miliaris; accessed: 31 July 2011
- Cone Shells - Knights of the Sea
