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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 ...
It is not advisable to catch a snake to check whether it is venomous or not using scale diagrams. [34]: 190 Most books or websites provide an array of traits of the local herpetofauna, other than scale diagrams, which help to distinguish whether a snake in the field is venomous or not. [29] [35]: 52
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 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]
The anterior scalation of Stephens's banded snake consists of 21 rows of midbody dorsal scales, and 220 to 250 ventral scales. Posteriorly, its singular subcaudal scales can range between 50 and 70 scales from the anal plate to the tip of the tail. [7] This species has a singular (undivided) anal plate that covers its cloacal opening.
The number and arrangement of scales on a snake's body are key elements of identification to species level. [29] The king brown snake has 17 rows of dorsal scales at mid-body, 185 to 225 ventral scales, 50 to 75 subcaudal scales (all undivided, or anterior ones undivided and posterior divided, or all divided), and a divided anal scale. [27]
In contrast with many other snakes found in the region, these scales are flat (not keeled). This gives the snake a smooth texture to the touch, from which it gets its common name. The ventral scales number 150-164 in males and 162–200 in females. The anal scale is divided (rarely single) and the subcaudal scales are paired. Males have 54–70 ...
The eye is separated from the labials by one or two rows of small scales. There are 10-14 upper labials. The dorsal scales are in 40-50 rows, smooth anteriorly, but weakly keeled posteriorly. There are 165-200 ventrals, and 15-34 subcaudals. [9] They are relatively built simple with small scales just like other snakes in their family.