Gloydius halys

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Species of snake

title: "Gloydius halys" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["gloydius", "snakes-of-asia", "snakes-of-afghanistan", "reptiles-of-azerbaijan", "snakes-of-china", "snakes-of-iran", "reptiles-of-mongolia", "reptiles-of-central-asia", "reptiles-of-russia", "fauna-of-siberia", "reptiles-described-in-1776", "taxa-named-by-peter-simon-pallas"] description: "Species of snake" topic_path: "geography/china" source: "https://en.wikipedia.org/wiki/Gloydius_halys" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Species of snake ::

| image = Щитомордник на Большой Байкальской тропе.jpg | image_caption = On the Great Baikal Trail | status = LC | status_system = IUCN3.1 | taxon = Gloydius halys | authority = (Pallas, 1776) | synonyms =

  • Coluber halys Pallas, 1776
  • [Vipera (Echidna) Aspis] Pallasii Merrem, 1820
  • Trigonocephalus Halys — Lichtenstein In Eversmann & Lichtenstein, 1823
  • Vipera Halys — Lichtenstein In Eversmann & Lichtenstein, 1823
  • Trigonocephalus halys — F. Boie, 1827
  • Trigonocephalus [(Halys)] Halys — Gray, 1849
  • Halys pallasii — Günther, 1864
  • Ancistrodon halys — Boulenger, 1896
  • A[gkistrodon]. halys — Stejneger, 1907
  • Ancistrodon halys halys — Nikolsky, 1916
  • Agkistrodon halys halys — Mertens & L. Müller, 1928
  • Gloydius halys halys — Hoge & Romano-Hoge, 1981 | synonyms_ref =

:Common names: Siberian pit viper, Halys viper, Halys pit viper, more.

Gloydius halys is a pit viper species found within a wide range that stretches across Asia, from Russia, east of the Urals, eastwards through China. Four subspecies are currently recognized, including the nominotypical form described here.

Description

Gloydius halys grows to a maximum total length of 59 cm, which was for a female, with an included tail length of 68 mm. The largest male on record measured 53 cm in total length, which included a tail length of 80 mm. The body build is described as moderately stout with a snout that is slightly upturned when viewed from the side.

Dorsally, G. halys is 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 are present. There is a wide dark stripe behind the eye, bordered by light stripes both above and below. The venter is whitish, speckled with gray or brown.

The strongly keeled dorsal scales are arranged in 23 rows at midbody. The ventrals number 149-174. The anal plate is entire. The subcaudals number 31-44, and are divided (paired).

Common names

Common names for G. halys include Siberian pit viper, Halys viper, Halys pit viper, Pallas's pit viper, Asiatic pit viper, Asiatic moccasin, shchitomordnik, Pallas's viper, Pallas pit viper, Korean pit viper, Mongolian pit viper.

Geographic range

Gloydius halys is found in Russia, east of the Ural Mountains through Siberia, Iran, Mongolia to northern and central China, as well as the southern Ryukyu Islands of Japan. According to Gloyd and Conant (1990), the type locality given is "Salt Lake near the Lugaskoi Sawod (factory) on the Upper Yenisey" (Siberia, Russia). Redefined by Bour (1993) as "Naryn or Ryn Peski desert, near the Russia-Kazakhstan border".

Subspecies

::data[format=table]

SubspeciesTaxon authorCommon nameGeographic range
G. h. boehmeiNilson, 1983Boehme's pitviperKnown only from the type locality: Andarab valley, province of Baghlan, at 2,500 m altitude, eastern Afghanistan.
G. h. halys(Pallas, 1776)Siberian pitviperSouthern Siberia and Mongolia, from the Zeya River west to longitude 74° E.
G. h. mogoiBour, 1993Western Mongolia.
G. h. ubsunurensisKropachev & Orlov, 2017West and South Mongolia and Tuva Republic, Russia.
::

Etymology

The subspecific name, boehmei, is in honor of German herpetologist Wolfgang Böhme.

References

References

  1. [[:fr:Roy Wallace McDiarmid. McDiarmid RW]], [[Jonathan A. Campbell. Campbell JA]], [[species:T'Shaka A. Touré. Touré TA]] (1999). ''Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1.'' Washington: District of Columbia: Herpetologists' League. 511 pp. {{ISBN. 1-893777-00-6 (series). {{ISBN. 1-893777-01-4 (volume).
  2. [[Howard K. Gloyd. Gloyd HK]], [[Roger Conant (herpetologist). 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.
  3. Gotch, Arthur Frederick (1986). ''Reptiles – Their Latin Names Explained''. Poole, UK: Blandford Press. 176 pp. {{ISBN. 0-7137-1704-1.
  4. [[species:Joshua William Steward. 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.
  5. {{ITIS
  6. [[George Albert Boulenger. Boulenger GA]] (1896). ''Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the ... Viperidæ.'' London: Trustees of the British Museum (Natural History). xiv + 727 pp. + Plates I-XXV. (''Ancistrodon halys'', pp. 524–525).
  7. Brown, John Haynes (1973). ''Toxicology and Pharmacology of Venoms from Poisonous Snakes''. Springfield, Illinois: Charles C. Thomas. 184 pp. LCCCN 73-229. {{ISBN. 0-398-02808-7.
  8. U.S. Navy (1991). ''Poisonous Snakes of the World''. New York: U.S. Government / Dover Publications Inc. 203 pp. {{ISBN. 0-486-26629-X.
  9. [[species:Andreas Gumprecht. Gumprecht A]], [[species:Frank Tillack. Tillack F]], [[:fr:Nikolaï Orlov. Orlov NL]], [[Ashok Captain. Captain A]], [[species:Sergei Aleksandrovich Ryabov. Ryabov S]] (2004). ''Asian Pitvipers''. First Edition. Berlin: Geitje Books. 368 pp. {{ISBN. 3-937975-00-4.
  10. "Gloydius halys".
  11. [[species:Bo Beolens. Beolens, Bo]]; [[species:Michael Watkins. Watkins, Michael]]; Grayson, Michael (2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. {{ISBN. 978-1-4214-0135-5. (''Gloydius halys boehmei'', p. 30).

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gloydiussnakes-of-asiasnakes-of-afghanistanreptiles-of-azerbaijansnakes-of-chinasnakes-of-iranreptiles-of-mongoliareptiles-of-central-asiareptiles-of-russiafauna-of-siberiareptiles-described-in-1776taxa-named-by-peter-simon-pallas