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Japanese keelback

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Japanese keelback
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Hebius
Species:
H. vibakari
Binomial name
Hebius vibakari
(H. Boie, 1826)[1]
Synonyms

The Japanese keelback (Hebius vibakari) is a species of colubrid snake, which is endemic to Asia.

Geographic range

It is found in northeastern China, Japan (Honshu, Kyushu, Shikoku), Korea, and Russia (Amur Oblast, Khabarovsk Krai, Primorsky Krai).[3]

Description

It is a small snake, growing to a maximum total length of 44 cm (17+14 in), with a tail 10 cm (3+78 in) long.

Dorsally it is olive or reddish brown, with small blackish spots. Some specimens may have a dark olive or blackish vertebral stripe. The upper labials are yellow, with black sutures. On each side of the nape of the neck there is a yellow dark-edged diagonal streak, these two streaks converging posteriorly. Ventrally it is yellow, with a series of brown dots or short lines at the outer ends of the ventral scales.

Dorsal scales strongly keeled (except outer row), arranged in 19 rows at midbody. Ventrals 127-151; anal plate divided; subcaudals divided 59–79.[4]

References

  1. ^ ITIS (Integrated Taxonomic Information System). www.itis.gov.
  2. ^ The Reptile Database. www.reptile-database.org.
  3. ^ The Reptile Database.
  4. ^ Boulenger, G.A. 1893. Catalogue of the Snakes in the British Museum (Natural History). Volume I., Containing the Families...Colubridæ Aglyphæ, Part. Trustees of the British Museum (Natural History). London. xiii + 448 pp. + Plates I.-XXVIII. (Tropidonotus vibakari, pp. 221-222.)

Further reading

  • Boie, H. 1826. Merkmale eineger japanischer Lurche. Isis von Oken 19: 203–216. (Tropidonotus vibakari, p. 207.)