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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.
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 head, at midbody and at a head's length before the vent. If only one number is given, it is for the midbody count. [1] Dorsal scale are ...
This snake grows to an average of about .5 to 1 m. A fossorial species, the head is wedge-shaped and narrow with little neck delineation, which makes it easy to push through the soil. Its most defining characteristic is its iridescent, highly polished scales that give this snake its common name (sunbeam snake). The dorsal scales a layer of dark ...
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 ...
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 arrangement of the scales on top of the head is extremely variable; the number of interorbital scales may be 3–14. Usually there are 7-9 supralabials and 9-11 sublabials . There are 21-29 rows of dorsal scales at midbody, 139-240 ventral scales , and 30-86 subcaudals , which are generally divided.
The dorsal scales are arranged in more than 30 rows around the body, and at least some of these are keeled, albeit faintly. All species lack subocular scales . [ 4 ] Each of the ten or so species can be further distinguished based on subtle characteristics, such as color markings, scale nuances, and geographic range.
The scales may be ossified or tubercular, as in the case of lizards, or modified elaborately, as in the case of snakes. [1] The scales on the top of lizard and snake heads has also been called pileus, after the Latin word for cap, referring to the fact that these scales sit on the skull like a cap. [2]