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:''Common names: Siberian pit viper,〔Gloyd HK, Conant R. 1990. ''Snakes of the Agkistrodon Complex: A Monographic Review''. Society for the Study of Amphibians and Reptiles. 614 pp. 52 plates. LCCN 89-50342. ISBN 0-916984-20-6.〕 Halys viper,〔Gotch AF. 1986. ''Reptiles -- Their Latin Names Explained''. Poole, UK: Blandford Press. 176 pp. ISBN 0-7137-1704-1.〕 Halys pit viper,〔Steward JW. 1971. ''The Snakes of Europe''. Cranbury, New Jersey: Associated University Press (Fairleigh Dickinson University Press). 238 pp. LCCCN 77-163307. ISBN 0-8386-1023-4.〕 more.'' ''Gloydius halys'' is a venomous pitviper species found within a wide range that stretches across Asia, from Russia, east of the Urals, eastwards through China, and also includes the southern Ryukyu Islands. Five subspecies are currently recognized, including the nominotypical form described here. ==Description== Grows to a maximum total length of , which was for a female, with an included tail length of . The largest male on record measured in total length, which included a tail length of . The body build is described as moderately stout with a snout that is slightly upturned when viewed from the side.〔 Dorsally grayish, pale brown, reddish, or yellowish, with large dark spots or crossbars, the borders of which are serrated. One or two lateral series of smaller dark spots. A wide dark stripe behind the eye, bordered by light stripes both above and below. Ventrally whitish, speckled with gray or brown. The strongly keeled dorsal scales are arranged in 23 rows at midbody. Ventrals 149-174; anal plate entire; subcaudals 31-44, divided (paired).〔Boulenger, G.A. 1896. ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the...Viperidæ.'' Trustees of the British Museum (Natural History). London. xiv + 727 pp. + Plates I.-XXV. (''Ancistrodon halys'', pp. 524-525.)〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Gloydius halys」の詳細全文を読む スポンサード リンク
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