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...mber of reasons. It has a reasonably sturdy body and a short tail, but the dorsal scales are smooth rather than keeled like those of most vipers. The head, which is

..., slightly triangular in shape and is slightly distinct from the neck. The dorsal scales are smooth and glossy, while the dorsolateral scales are strongly oblique.

...eck, while the eyes are small and set in a rather forwards position. The [[dorsal scales]] are strongly keeled.<ref name="Mal03"/>

...but there is no real hood. The eyes are medium in size with round pupils. Dorsal scales are oblique, smooth and narrow.<ref name=ct>[http://www.toxinology.com/fuse Dorsal scales in 19 rows at midbody (sometimes 17 or 21), with 201-232 ventral scales, an

...but there is no real hood. The eyes are medium in size with round pupils. Dorsal scales are oblique, smooth and narrow.<ref name=ct/> Dorsal scales at midbody 15-19, Ventrals 210-235, Subcaudals 94-122, Subcaudals ar

Midbody there are 25-39 rows of [[dorsal scales]] that are keeled scales with apical pits; on the flanks, these have serrat

Midbody there are 21 [[dorsal scales]] rows (rarely 19, 20, 22 or 23). These are strongly keeled, except for tho

...a Latin word meaning "rough" or "harsh", may allude to the species' keeled dorsal scales.<ref name=RDatabase>{{cite web|last=Uetz|first=Peter|title=Bothrops asper ( This species has different patterns and colors on its [[Dorsal scales|dorsal]] and ventral sides and it exhibits a postorbital stripe. The [[Vent

...ail is short and tapers abruptly behind the vent.<ref name="Mal03"/> The [[dorsal scales]] are small, with serrated keels, in 23-35 rows at midbody.<ref name="SB95"

[[Dorsal scales]] on the midbody 21-23, [[ventrals]] 210-223, [[subcaudals]] 54-66 (paired)

...snout and large nostrils. The eyes are medium in size with round pupils. [[Dorsal scales]] are smooth and strongly oblique with the outer 2 or 3 scale rows larger t

...ens, especially adults, also exhibit some salt-and-pepper speckling on the dorsal scales. Some specimens, especially those from Sri Lanka, have a series of often il

...cales in many species, although some have a few small plates on top. The [[dorsal scales]] are strongly keeled, the [[anal scale]] is divided and the [[subcaudals]]

...e the snout is rounded. Its eyes are medium in size with round pupils. The dorsal scales are smooth, very shiny and glossy and are strongly oblique.<ref name=WCH/> [[Dorsal scales]] on the midbody 19-21, [[ventral scales]] 201-214, [[subcaudal scales]] 63

...snout and large nostrils. Its eyes are moderate in size with round pupils. Dorsal scales are smooth and strongly oblique. Dorsal scale count is usually 25-19.<ref n

...scales]] are strongly keeled; only the lower row is smooth. Mid-body, the dorsal scales number 27-33. There are 153-180 [[ventral scales]]. The [[anal plate]] is n

The body is moderately slender and cylindrical. The [[dorsal scales]] are mostly keeled. However, the scales on the lower flanks stick out at a

...les (the head will darken with age however the snout always remains pale). Dorsal scales may be slightly keeled, at least on the neck, otherwise they are smooth. Th [[Dorsal scales]] at mid-body number 21-23, [[ventrals]] 220-250, [[subcaudals]] 45-80; the

...d snout and large nostrils. The eyes are medium in size with round pupils. Dorsal scales are smooth and strongly oblique. Most adults average between {{convert|1.1|

...([[Caenophidia|Caenophidian]]) snakes, the broad belly scales and rows of dorsal scales correspond to the vertebrae, allowing scientists to count the vertebrae wit