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Snakeskin may either refer to the skin of a live snake, the shed skin of a snake after molting, or to a type of leather that is made from the hide of a dead snake. Snakeskin and scales can have varying patterns and color formations, providing protection via camouflage from predators. [1]
Scale patterns help to indicate the species and from the references, it can be verified if the snake species is known to be venomous or not. Species identification using scales requires a fair degree of knowledge about snakes, their taxonomy, snake-scale nomenclature as well as familiarity with and access to scientific literature.
Scales on the head often form a black V or W pattern. [6] Western brown snakes can be confused with the Eastern brown snake which has a pink mouth lining, [4] the Northern brown snake has a purplish/blue-black mouth lining. [7] [8] P. mengdeni has a distinctive large strap-like scale around the front of the snout. [8]
The number and pattern of scales on a snake's body are a key element of identification to species level. [14] Naja oxiana has 23 to 27 (usually 25) dorsal scale rows at the hood, 19–23 (usually 21) just ahead of midbody, 191–210 ventrals , and 57–71 paired subcaudals ; cuneate scales (small angular scales between the labials ) are often ...
Scale pattern. Ptyas mucosa, commonly known as the Oriental rat snake, [2] dhaman or Indian rat snake, [4] is a common non-venomous species of colubrid snake found in parts of South and Southeast Asia. Dhamans are large snakes. Typical mature total length is around 1.5 to 1.95 m (4 ft 11 in to 6 ft 5 in) though some exceed 2 m (6 ft 7 in).
The dorsal blotches can extend down the sides of the body, appearing somewhat like banding or rings, which sometimes leads to confusion with other sympatric species such as the venomous coral snakes or the harmless scarlet king snake. [6] The similar pattern exhibited by these three snakes is a form of mimicry known as batesian mimicry.
The snake has 127-157 ventral scales and 36-71 subcaudals. Of the latter, some may be divided. The anal scale is single. All have a color pattern of 10-20 dark crossbands on a lighter ground color, although sometimes the crossbands are staggered as half bands on either side of the body. [7] The phylogeny of the species has long been controversial.
Toxicofera (Greek for "those who bear toxins") is a proposed clade of scaled reptiles (squamates) that includes the Serpentes (snakes), Anguimorpha (monitor lizards, beaded lizards, and alligator lizards) and Iguania (iguanas, agamas, and chameleons).