Eastern sandfish (Scincus mitranus)

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Eastern sandfish fact file

Eastern sandfish description

KingdomAnimalia
PhylumChordata
ClassReptilia
OrderSquamata
FamilyScincidae
GenusScincus (1)

Owing to their remarkable ability to seemingly ‘swim’ through sand, species in the skink genus Scincus are appropriately known as sandfish (3) (4). The physical adaptations that allow these lizards to move with speed below the sand surface include a streamlined body, highly polished skin, strongly developed limbs, a chisel-shaped snout, and reduced ear openings (3) (4) (5). The eastern sandfish has an overall golden-pink colour with each scale edged in black. A series of golden bars runs down the side of its back, while a further row of dark bars runs down the flanks (4).

Also known as
Red sandfish.
Size
Male weight: 10 - 44 g (2)
Female weight: 7 - 35 g (2)
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Eastern sandfish biology

Recent studies have shown that rather than pulling their limbs close to the body, sandfish move through sand by rotating their legs back and forth in a manner much like the crawl stroke in swimming (3) (6). However, while they are extremely efficient at moving beneath the sand, in the absence of a perceived threat, sandfish prefer to travel on the surface (4).

Although the ear openings are small, these skinks have excellent hearing, which enables them to detect insect prey moving below the surface (4). The eastern sandfish feeds primarily on beetles, but in times of scarcity, insect larvae and plants can form an important component of its diet (7).

The eastern sandfish has a short breeding season, lasting just two months between May and June, and appears to produce just one clutch a year. The timing of the breeding season coincides with the wet season, a factor which is thought likely to contribute to its reproductive success (2)

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Eastern sandfish range

Species in the Scincus genus are distributed over an extensive belt of desert from the west coast of Africa, through the Sahara and into Arabia (3). In Arabia, there are isolated populations of the eastern sandfish in northeast Yemen, southern Oman, the United Arab Emirates, and Kuwait (2).

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Eastern sandfish habitat

Found in arid environments where there is loose sand to burrow into (2) (4).

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Eastern sandfish status

The Eastern sandfish is classified as Least Concern (LC) on the IUCN Red List (1).

IUCN Red List species status – Least Concern

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Eastern sandfish threats

A small number of eastern sandfish are exported to North America and Europe as part of the pet trade (8).

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Eastern sandfish conservation

There are no known conservation measures in place for the eastern sandfish but owing to its occurrence in a sparsely populated region of the world, it is probably relatively free from human impacts.

Environment Agency - Abu Dhabi is a principal sponsor of ARKive. EAD is working to protect and conserve the environment as well as promoting sustainable development in the Emirate of Abu Dhabi.
View information on this species at the UNEP World Conservation Monitoring Centre.
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Find out more

To learn more about reptile conservation visit:

  • International Reptile Conservation Foundation:
    www.ircf.org
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Authentication

This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact:
arkive@wildscreen.org.uk

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References

  1. IUCN Red List (February, 2013) 
    http://www.iucnredlist.org/
  2. Al-Johany, A.M., Al-Sadoon, M.K. and Al-Farraj, S.A. (1997) Reproductive biology of the skink Scincus mitranus (Anderson, 1871) in the central region of Saudi Arabia. Journal of Arid Environments, 36: 319 - 326.
  3. Baumgartner, W., Fidler, F., Weth, A., Habbecke, M., Jakob, P., Butenweg, C. and Böhme, W. (2008) Investigating the Locomotion of the Sandfish in Desert Sand Using NMR-Imaging. PLoS ONE, 3(10).
  4. Hellyer, P. and Aspinall, S. (2005) The Emirates: A Natural History. Trident Press Limited, United Arab Emirates.
  5. Halliday, T. and Adler, K. (2002) The New Encyclopedia of Reptiles and Amphibians. Oxford University Press, Oxford.
  6. ScienceDaily (June, 2009)
    http://www.sciencedaily.com/releases/2008/10/081003122547.htm
  7. Al-Sadoon, M.K., Al-Johany, A.M. and Al-Farraj, S.A. (1999) Food and Feeding Habits of the Sand Fish Lizard Scincus mitranus. Saudi Journal of Biological Science, 6(1): 91 - 101.
  8. Bartlett, P.P. (1997) Lizard Care from A to Z. Barron's Educational Series, New York.
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Image credit

Eastern sandfish portrait  
Eastern sandfish portrait

© Michel Gunther / Biosphoto

Biosphoto
16 rue Velouterie
Avignon
84000
France
Tel: +33 (490) 162 042
Fax: +33 (663) 208 434
http://www.biosphoto.com/

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