Texas spiny lizard

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Texas Spiny Lizard
Sceloporus olivaceus.jpg
Sceloporus olivaceus
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Reptilia
Order: Squamata
Suborder: Iguania
Family: Phrynosomatidae
Genus: Sceloporus
Species: S. olivaceus
Binomial name
Sceloporus olivaceus
H.M. Smith, 1934

The Texas Spiny Lizard (Sceloporus olivaceus) is a species of phrynosomatid lizard native to the south central United States, in the states of Texas and Oklahoma, and northeastern Mexico in the states of Coahuila, Nuevo León, Tamaulipas, and San Luis Potosí. They are quite common throughout their range, where they can be found in trees or on fences.

Description[edit]

They are 7.5-11 inches (19–28 cm) in total length, and are typically grey in color with black, white, or red-brown blotching down the back. Patterns vary greatly by locality, but the colors and pattern typically serve to be adequate camouflage against the bark of trees in its chosen habitat. The underside is usually uniformly light grey in color, but males typically have blue patches on either side of the belly. Their scales have a distinctly spiny texture to them. They have long toes, and sharp claws suited to climbing.

Behavior[edit]

The Texas spiny lizard is diurnal and arboreal. Their preferred habitat is mesquite trees, over areas with a significant amount of ground leaf litter, but they are often found in suburban areas basking on fences or climbing telephone poles. Typically shy and nervous, when approached they will usually retreat up a tree or flee noisily through leaf litter on the ground. They are insectivorous, and eat a variety of beetles and other insects. Breeding occurs throughout the spring and summer months, and clutches of eggs can be laid as often as four times a year.

The male Texas spiny lizard also has a peculiar habit when challenged by another male for its territory. The two males will have a push up contest, or so it seems. Both males will begin doing push ups until one of them gives up and runs away.

Belly of male, showing blue color.

In captivity[edit]

Though not normally found for sale outside of its native range, like most other Sceloporus species, the Texas spiny lizard makes an ideal choice for a small pet lizard. They are hardy, adapt easily to captivity, and readily consume commercially available crickets, though they do require specialized ultraviolet (UVB and UVA) lighting. Care should be taken, though, in avoiding overfeeding of these lizards, as they will readily consume all available prey - causing digestion issues and possible deformities.

References[edit]