Sceloporus variabilis

Sceloporus variabilis, commonly known as the rosebelly lizard, is a species of lizard, which is endemic to Mexico.

Northern Rose-bellied Lizard (Sceloporus variabilis marmoratus), photographed in situ, Santa Ana National Wildlife Refuge, Texas, USA (14 April 2016).

Rosebelly lizard
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Iguania
Family: Phrynosomatidae
Genus: Sceloporus
Species:
S. variabilis
Binomial name
Sceloporus variabilis
Wiegmann, 1834
Synonyms

Geographic range

It is endemic to Mexico.

Description
dorsal view
Rose-bellied Lizard (Sceloporus variabilis variabilis), photographed in situ, municipality of Ocampo, Tamaulipas, Mexico (14 October 2005).

S. variabilis is one of the smaller species of the genus Sceloporus. Adults may attain a snout-vent length (SVL) of 54 mm (2.1 in). With unbroken tails, they may reach a maximum total length of 140 mm (5.5 in).[3]

Dorsally, it is tan or olive, with a double series of dark brown spots. There are two yellowish dorsolateral stripes, one at each side of the back.[4] Males are darker on the side below the dorsolateral stripe.[5] Ventrally, it is dirty white or yellowish. Males have a large pink blotch on each side of the belly, which is bordered with dark blue, and they also have a black mark on the axilla.[4]

The supraoculars are small, and they are bordered medially by a row of small scales, which prevent them from contacting the median head shields. The dorsal scales are keeled, pointed, and spiny. There are 58-69 dorsal scales from the interparietal shield to the base of the tail. A postfemoral pocket is present. Males have 10-14 femoral pores.[5]

References
  1. Chaves, G.; Lamar, W.; Porras, L.W. & Sunyer, J. (2013). "Sceloporus variabilis". The IUCN Red List of Threatened Species. IUCN. 2013: e.T198414A2525951. doi:10.2305/IUCN.UK.2013-2.RLTS.T198414A2525951.en. Retrieved 15 January 2018.
  2. The Reptile Database. www.reptile-database.org.
  3. Conant, R. 1975. A Field Guide to the Reptiles and Amphibians of Eastern and Central North America, Second Edition. Houghton Mifflin. Boston. 429 pp. ISBN 0-395-19977-8 (paperback). (Sceloporus variabilis marmoratus, pp. 99-100, Fig. 21 + Plate 16 + Map 71.)
  4. Boulenger, 1885. p. 236-237.
  5. Smith, H.M., and E.D. Brodie Jr. 1982. Reptiles of North America: A Guide to Field Identification. Golden Press. New York. 240 pp. ISBN 0-307-13666-3 (paperback). (Sceloporus variabilis, pp. 114-115.)

Further reading
  • Boulenger, G.A. 1885. Catalogue of the Lizards in the British Museum (Natural History). Second Edition. Volume II. Iguanidæ,... Trustees of the British Museum (Natural History). (Taylor and Francis, Printers.) London. xiii + 497 pp. + Plates I.- XXIV. (Sceloporus variabilis, pp. 236–237.)
  • Wiegmann, A.F.A. 1834. Herpetologia Mexicana, seu descriptio amphibiorum Novae Hispaniae, quae itineribus comitis de Sack, Ferdinandi Deppe et Chr. Guil. Schiede in Museum Zoologicum Berolinense pervenerunt. Pars prima, Saurorum species amplectens, adiecto Systematis Saurorum Prodromo, additisque multis in hunc amphibiorum ordinem observationibus. C.G. Lüderitz. Berlin. iv + 54 pp. + 10 Plates. (Sceloporus variabilis, p. 51.)


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