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In snakes, the dorsal scales are the longitudinal series of plates that encircle the body, but do not include the ventral scales. [1] When counting dorsal scales, numbers are often given for three points along the body, for example 19:21:17. These numbers correspond to the number of dorsal scales around the body at a head's length behind the ...
The scales on the body of the snake are called the dorsal or costal scales. Sometimes there is a special row of large scales along the top of the back of the snake, i.e., the uppermost row, called the vertebral scales.
Scale arrangement includes 23 dorsal scale rows at midbody (rarely 19 or 21), 211-250 ventral scales, a divided anal scale, and 60-91 paired subcaudal scales (Schultz 1996; Arnold 2002). Ventral scales are sharply angled where the underside meets the side of the body, which enhances the species' climbing ability. Lifespan is estimated at 25 to ...
The dorsal scales are keeled [22] and arranged in 21–26 scale rows at midbody (usually 25 rows in the southern part of its geographic range, and 23 rows in the northern part). Timber rattlesnake at the San Diego Zoo, showing strongly keeled dorsal scales. The ventral scales number 158–177 in males and
The shape and arrangement of scales is used to identify snake species. The shape and number of scales on the head, back and belly are characteristic to family, genus and species. Scales have a nomenclature analogous to the position on the body. In "advanced" (Caenophidian) snakes, the broad belly scales and rows of dorsal scales correspond to ...
The colour of the yellow-faced whip snake varies, ranging from olive green, to grey and brown; however, a common characteristic in colour is a "red flush along the anterior third of its back". [6] To accurately identify this species, there must be a clear view of the head, and the dorsal scales at the snake's mid-body must be counted.
The dorsal scales, in addition to the strong primary keel, have secondary keels and tubercles, but no apical pits. The dorsal scales are arranged in 15 rows at midbody (in 17 rows on the neck). The ventrals number 203-241. The anal plate is undivided. The subcaudals number 45-61, and are divided (in two rows). [2]
Pages in category "Snake scales" The following 33 pages are in this category, out of 33 total. ... Dorsal scales; F. Frontal scale; I. Intercanthal scales; Internasal ...