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Once fully developed, the effected skin will present with a leathery, "bark-like" texture and remain itchy and inflamed. [ 3 ] Common areas of occurrence are noted in points of the body that are easily accessible or prone to itchiness, notably the nape of the neck, wrists, hands, forearms, waist, scrotum, vulva, thighs, lower legs and feet.
This provides protection from the environment and reduces water loss through evaporation. This adaptation enables lizards to thrive in some of the driest deserts on earth. The skin is tough and leathery, and is shed (sloughed) as the animal grows. Unlike snakes which shed the skin in a single piece, lizards slough their skin in several pieces.
A study using skin lipids indicates chemical cues can be used to modify movements of invasive reptiles in their non-native range, which could be useful in management strategies. [31] The Argentine black and white tegu exhibits similar behavior, such as a marked "pausing and turning" as they trail in the spring.
Among adaptations to a dry environment is a slow metabolism, allowing them to use less than half the amount of energy expected for lizards of their size. [20] Gila monsters, and possibly also the Mexican beaded lizard , store water in their urinary bladder and reabsorb it across the bladder epithelium.
The Texas horned lizard (Phrynosoma cornutum) has disappeared from almost half of its geographic range. Their popularity in the early to mid-20th-century pet trade, where collectors took thousands from the wild populations to sell to pet distributors, without provision for their highly specialized nutritional needs (primarily formic acid from ...
The average body mass of an adult beaded lizard is 800 g (1.8 lb), about 45% heavier than the average mass of a Gila monster, with large specimens exceeding 2,000 g (4.4 lb). Maximum weight known is 4,000 g (8.8 lb) [9] [10] Although males are slightly larger than females, the beaded lizards are not sexually dimorphic.
Traditionally, all the true anoles were included in the genus Anolis and some continue to use this treatment, [181] in which case it is the largest genus of reptile. [ 1 ] [ 30 ] An attempt of dividing this huge genus was already made in 1959–1960, when they were placed in two major groups, the so-called "alpha anoles" (comprising most anole ...
The Asian water monitor is one of the most exploited varanids; its skin is used for fashion accessories such as shoes, belts and handbags which are shipped globally, with as many as 1.5 million skins traded annually [1] and between 50,000 and 120,000 skins harvested from the wild in peninsular Malaysia. [36]