Trimeresurus mucrosquamatus
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Common names: brown spotted pitviper, pointed-scaled pit viper, more.

[Photo] Brown Spotted Pitviper (Trimeresurus mucrosquamatus = Protobothrops mucrosquamatus). Artist: G. H. Ford. From: Proceedings of the Zoological Society, 1870 http://www.classicnatureprints.com/pr.Ford%20Fish%20Reptiles/Ford.Trimeresurus%20mucrosquamatus.html

Trimeresurus mucrosquamatus is a venomous pit viper species found from India (Assam) and Bangladesh, to Myanmar, China and Taiwan. No subspecies are currently recognized.

Description
Males grow to a maximum total length males 1,122 mm with a tail length males 195 mm; females to 1,160 with a tail length of 205 mm. In the males, the hemipenes are spinose.

Scalation: dorsal scales in 25 longitudinal rows at midbody; scales on upper surface of head, small, each scale keeled posteriorly; internasals 5-10 times size of adjacent scales, separated by 3-4 scales; supraoculars, long, narrow, undivided, 14-16 small interoculars in line between them; 2 scales on line between upper preocular and nasal scale; 9-11 upper labials, first upper labial separated from nasal by suture; 2-3 small scales between upper labials and subocular; 2-3 rows of temporal scales above upper labials smooth, above those scales keeled; ventrals 200-218; subcaudals 76-91, all paired.

Color pattern: grayish or olive brown above, with dorsal series of large brown, black-edged spots or blotches, and a lateral series of smaller spots; head above brownish, below whitish; belly whitish but heavily powdered with light brown; tail brownish (possibly pink in life [fide Smith 1943:507]), with series of dark dorsal spots.

Common names
Brown spotted pitviper, pointed-scaled pit viper, Taiwan habu, Chinese habu, Formosan pit viper.

Geographic range
Found from northeastern India (Assam) and Bangladesh to Myanmar, China (Fukien, Kwangshi, Kwantung and Szechwan), as well as in Taiwan. The type locality given is "Naga Hills" (Assam, India).

http://en.wikipedia.org/wiki/Trimeresurus_mucrosquamatus

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