Gloydius ussuriensis

Gloydius ussuriensis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Genus:	Gloydius
Species:	G. ussuriensis
Binomial name
	Gloydius ussuriensis; (Emelianov, 1929)
Synonyms
	Ancistrodon halys intermedius– Nikolsky, 1916 (part); Ancistrodon halys brevicaudus– Nikolsky, 1916 (part); Ancistrodon blomhoffi brevicaudus– Vogt, 1924 (part); Agkistrodon halys intermedius– Stejneger, 1925 (part); Agkistrodon halys brevicaudus– Stejneger, 1925 (part); Ankistrodon halys brevicaudus– Pavlov, 1926 (part); Ancistrodon blomhoffii ussuriensis; Emelianov, 1929; Agkistrodon blomhoffii ussuriensis– Chernov, 1934; Agkistrodon halys ussuriensis– Klemmer, 1963; Agkistrodon caliginosus Gloyd, 1972; Gloydius caliginosus; – Hoge & Romano-Hoge, 1981; Gloydius halys ussuriensis; – Hoge & Romano-Hoge, 1981; Agkistrodon ussuriensis; – Toriba, 1986; [Gloydius] ussuriensis; – Kraus, Mink & Brown, 1996;

Last updated January 17, 2024

Gloydius ussuriensis is a venomous pitviper species endemic to far east Russia, northeastern China and the Korean Peninsula. No subspecies are currently recognized.^[2]

Description

Adult males are 37–63 cm (14.6–24.8 inches) in total length, while adult females are 41–64.7 cm (16.1–25.5 inches). However, this information, provided by Emelianov (1929), included two males of 37 cm (14.6 in) each which may have been subadults; the next largest male was 41.8 cm (16.5 in). Based on these same data, tail length in males was 12-17% of total length, while that in females was 12-15% of total length.^[3]

The scalation usually includes 21 rows of dorsal scales at midbody, all of which are keeled (although the keels on the first scale rows are faint), 146–157 ventral scales, and 39–54 subcaudal scales. There are 7 supralabial scales, with the second being the smallest and the fourth usually the largest.^[3]

The color pattern consists of a light brownish gray to blackish ground color overlaid with a series of 24–33 relatively large and usually elliptical dorsolateral blotches. These blotches, which may oppose or alternate on either side of the middorsal line, are usually closed and have a pale interior with a dark smudge in the center that makes them look like a row of bull's-eyes on either side of the body. The bloches are separated laterally by one scale row, extend down to the first scale row, and may merge with blotches across the middorsal line. A dark postocular stripe is present that is bordered above by a narrow yellow or white line.^[3]

Geographic range

Found in far east Russia (Primorskiy Kray), northeastern China, North Korea and South Korea, as well as on Quelpart Island. Chernov proposed that the type locality be restricted to "Suchan River (in Primorskiy Kray)."^[1]

Taxonomy

This species has long been confused with G. saxatilis in Korea and G. brevicauda in eastern parts of Liaoning in China, where it is sympatric with these forms. Its variable color pattern has not helped matters either.^[1]

Related Research Articles

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<i>Ovophis okinavensis</i> Species of snake

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Hypnale nepa, the Sri Lankan hump-nosed viper, is a venomous pitviper species endemic to Sri Lanka where it is known as මූකලන් තෙලිස්සා in Sinhala. Earlier thought that Hypnale walli and Hypnale nepa were two distinct species, but it is now accepted that it is the same species and Hypnale walli is a synonym name. Relatively small, they are distinguished by a strongly upturned snout. No subspecies are currently recognized.

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References

1 2 3 McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
↑ "Gloydius ussuriensis". Integrated Taxonomic Information System . Retrieved 9 August 2008.
1 2 3 4 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.

External links

Gloydius ussuriensis at the Reptarium.cz Reptile Database . Accessed 9 August 2008.

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[McD99-1] 1 2 3 McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).

[ITIS-2] "Gloydius ussuriensis". Integrated Taxonomic Information System . Retrieved 9 August 2008.

[G&C90-3] 1 2 3 4 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.

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