Saturday 25 May
Lanza's skink (Chalcides lanzai)
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Lanza's skink fact file
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Lanza's skink description
Like other skink species, Lanza’s skink has a roughly cylindrical body covered in smooth, overlapping scales (4). Its limbs are relatively short and its body is slender (2), although not as elongated as in some other Chalcides species (5). Relatively little information is available on the colouration and markings of Lanza’s skink, but newborn young have a bright orange tail which gradually fades with age, leaving a pinkish-red colouration on the underside of the tail in the adult. The adult Lanza’s skink has a creamy-yellow belly (2).
In general, Chalcides species tend to have a fairly pointed snout with an enlarged scale at the tip, a possible adaptation for burrowing (5). Like other members of the genus, Lanza’s skink has moveable eyelids, the lower of which has a transparent scale that allows the skink to bask with the eyes shut while retaining vision (5) (6).
Lanza’s skink has sometimes been considered a subspecies of the ocellated skink (Chalcides ocellatus) or the very similar mountain skink (Chalcides montanus) (1) (2). It resembles the mountain skink in appearance and occupies a similar mountainous habitat in Morocco (5).
- Chalcides montanus lanzai, Chalcides montanus spp. lanzai, Chalcides ocellatus lanzai.
- Seps De Lanza. Top
The Reptile Database:
Conservation International: Biodiversity Hotspots - Mediterranean Basin:
ARKive - Mediterranean Basin:
- A very diverse phylum (a major grouping of animals) that includes crustaceans, insects and arachnids. All arthropods have paired jointed limbs and a hard external skeleton (exoskeleton).
- A category used in taxonomy, which is below ‘family’ and above ‘species’. A genus tends to contain species that have characteristics in common. The genus forms the first part of a ‘binomial’ Latin species name; the second part is the specific name.
- Hibernation is a winter survival strategy in which an animal’s metabolic rate slows down and a state of deep sleep is attained. Whilst hibernating, animals survive on stored reserves of fat that they have accumulated in summer.
- A population usually restricted to a geographical area that differs from other populations of the same species, but not to the extent of being classified as a separate species.
- Giving birth to live offspring that develop inside the mother’s body.
IUCN Red List (December, 2011)
- Bogaerts, S. (2006) First data on the reproduction of Lanza’s skink, Chalcides lanzai Pasteur, 1967. Podarcis, 7: 9-16.
The Reptile Database (December, 2011)
- Halliday, T. and Adler, K. (2002) The New Encyclopedia of Reptiles and Amphibians. Oxford University Press, Oxford.
- Carranza, S., Arnold, E.N., Geniez, P., Roca, J. and Mateo, J.A. (2008) Radiation, multiple dispersal and parallelism in the skinks, Chalcides and Sphenops (Squamata: Scincidae), with comments on Scincus and Scincopus and the age of the Sahara Desert. Molecular Phylogenetics and Evolution, 46: 1071-1094.
- Ananjeva, N.B., Orlov, N.L., Khalikov, R.G., Darevsky, I.S., Ryabov, S.A. and Barabanov, A.V. (2006) The Reptiles of Northern Eurasia. Pensoft Publishers, Sofia, Bulgaria.
- de Pous, P., Beukema, W., Weterings, M., Dümmer, I. and Geniez, P. (2011) Area prioritization and performance evaluation of the conservation area network for the Moroccan herpetofauna: a preliminary assessment. Biodiversity and Conservation, 20: 89-118.
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Lanza's skink biology
Relatively little is known about the biology of Lanza’s skink. Like other skinks, it is likely to be an active predator that feeds on insects and other small arthropods, and it may use chemical and visual signals to communicate (4).
In captivity, Lanza’s skink has been reported to hibernate between November and March or April (2). Courtship behaviour has not been observed in this species (2), but in many other skinks the male becomes aggressive during the breeding season and may perform displays to warn off rivals. During mating, male skinks usually hold the female in a ‘mating grip’ and often bite the female on the neck, limbs or body (4).
Lanza’s skink is viviparous (1) (2), giving birth to live young rather than laying eggs. Captive female Lanza’s skinks have been known to give birth to between five and eight young, from May to July. The newborn Lanza’s skinks measure around seven to eight centimetres in length and weigh only around one gram (2).
Captive Lanza’s skinks have been reported to first breed at four years old, and can live to at least six years of age (2).Top
Lanza's skink rangeTop
Lanza's skink habitat
Lanza’s skink is reported to occur in fields, meadows, cedar forests and damp areas close to streams (1).Top
Lanza's skink status
Lanza’s skink is classified as Near Threatened (NT) on the IUCN Red List (1).Top
Lanza's skink threats
Lanza’s skink occupies a restricted area, potentially putting it at higher risk of extinction. In some parts of its range it may be affected by the degradation of its habitat due to overgrazing by livestock, but its habitat as a whole is not believed to be under significant threat and this species is thought to be locally common (1).Top
Lanza's skink conservation
Lanza’s skink is reported to occur in two protected areas, at Jbel Tichoukt and Jaaba (1). However, only a small proportion of its habitat is currently protected, and a major expansion of conservation areas has been recommended to properly protect this and other reptile species in Morocco (7).Top
Find out more
Find out more about Lanza’s skink:
More information on conservation in the Mediterranean region:
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:
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