The name sandfish originated because of its ability to move through sand as if it were swimming. Adult sandfish usually reach about 8 inches (20 cm) in length, including the short tail.
The sandfish has developed a peculiar way of dealing with the desert heat; it possesses the ability to dive into soft sand. It does this to prevent overheating (as it is cold-blooded) and whenever it feels threatened.
This skink has a long, wedge-shaped snout with a countersunk lower jaw. Its long, tapered body is covered with smooth, shiny scales, and its legs are short and sturdy with long, flattened and fringed feet. The tail is short, tapering to a fine point. The colouration of this species is considered attractive, being yellow-caramel with brown-black cross bands. This lizard also has bead-like eyes so it can close them to keep sand out of its eyes. Similarly, its nostrils are very small to keep all of the sand out of its nose and lungs.
The sandfish is found in northern Africa east into Saudi Arabia, Iraq, and Iran. The animal is also found in the Omani deserts.
The sandfish is an insectivore. It can detect vibrations the insects in its vicinity create while moving.
These small reptiles are common among the US and UK pet stores. It is very simple to care for, but rarely breeds in captivity, so most animals in pet trade are wild-caught.
- Fountain, Henry (2009-07-21). "A Saharan Lizard Is a Sand Swimmer". The New York Times. Retrieved 2010-05-23.
- Baumgartner et al.; Fidler, F; Weth, A; Habbecke, M; Jakob, P; Butenweg, C; Böhme, W; Rands, Sean (2008). "Investigating the Locomotion of the Sandfish in Desert Sand Using NMR-Imaging". In Rands, Sean. PLOS One 3 (10): e3309. doi:10.1371/journal.pone.0003309. PMC 2561000. PMID 18836551.
- Friction reduction in Sandfish (in German)
- Undulatory swimming in sand:subsurface locomotion of sandfish lizard
- Movies on sandfish locomotion
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