Japanese keelback
The Japanese keelback (Hebius vibakari), sometimes called the ringed snake or water snake, is a species of colubrid snake, which is endemic to Asia. It was first described in 1826 by Heinrich Boie as Tropidonotus vibakari.[1][2]
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 Script error: No such module "convert"., with a tail Script error: No such module "convert". long.Script error: No such module "Unsubst".
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.Script error: No such module "Unsubst".
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
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- ↑ 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.)
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