Luria isabella
| Luria isabella | |
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| File:Luria isabella 01.JPG | |
| Five views of a shell of Luria isabella | |
| File:Luria isabella 02 600x600.jpg | |
| A lateral view of a shell of Luria isabella, anterior end towards the right | |
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L. isabella
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| Binomial name | |
| Luria isabella |
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| File:Wyst-isabella.jpg | |
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Luria isabella, common name the Isabel's Cowry or Fawn-coloured Cowry, is a species of sea snail, a cowry, a marine gastropod mollusk in the family Cypraeidae, the cowries.[1]
Description
The shells of these very common cowries reach on average 25–35 millimetres (0.98–1.38 in) of length, with a minimum size of 8 millimetres (0.31 in) and a maximum size of 54 millimetres (2.1 in). The basic color of these cylindrical-shaped shells is light beige or fawn or pale reddish-brown, the dorsum surface is crossed by thin discontinuous longitudinal markings and the extremities show orange-red terminal spots. The base is mainly white and the long and narrow aperture has several short teeth. In the living cowries the well developed mantle is black matt and almost velvety, with external short antennae.
Distribution
This species lives in the Red Sea, along the East African coast, the Mascarene Basin and in the Indo-West Pacific Ocean (Malaysia, Indonesia, Australia, Melanesia, Philippines, Southern Japan, Taiwan) up to Hawaii.
Habitat
Living cowries of this species can be encountered in a wide range of habitats, in shallow and in intertidal waters up to about 35 metres (115 ft) of depth. During the day they usually stay under rocks and stones or in small holes or coral caves. At dawn or dusk they start feeding on sponges, algae or coral polyps.
Subspecies
There have been a great many subspecies named, but most names are very dubious. However the following are generally accepted as valid names:
- Luria isabella isabella (Linnaeus, 1758)
- Luria isabella controversa (Gray, 1824) (sometimes accepted as Luria controversa)
- Luria isabella gilvella Lorenz, 1999
- Luria isabella mexicana Stearns, 1893
References
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<references />, or <references group="..." />- Verdcourt, B. (1954). The cowries of the East African Coast (Kenya, Tanganyika, Zanzibar and Pemba). Journal of the East Africa Natural History Society 22(4) 96: 129-144, 17 pls.
External links
- On-line articles with Cypraea isabella in the HAWAIIAN SHELL NEWS (1960-1994)
- Biolib
- Underwater
- Gastropods
- Clade
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Wikimedia Commons has media related to Luria isabella. |
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- ↑ 1.0 1.1 WoRMS : Luria isabella; accessed : 17 October 2010
