Hebius clerki

Hebius clerki
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Colubridae
Genus:	Hebius
Species:	H. clerki
Binomial name
	Hebius clerki; (Wall, 1925)
Synonyms
	Natrix clerkiWall, 1925; Natrix parallela M.A. Smith, 1943; Hebius clerki Guo et al., 2014; Amphiesma clerki David et al., 2015;

Last updated October 04, 2025

Hebius clerki, also known commonly as the Yunnan keelback, is a species of snake in the family Colubridae.^[1]^[2] The species is native to Asia.

Geographic range

H. clerki is found in north-eastern India, northern Myanmar, south-western China (Yunnan), Nepal,^[1]^[2] and Bhutan.^[1]

Taxonomy

Many authors have considered H. clerki to be a synonym of H. parallelus (formerly Amphiesma parallelum), but a 2015 study revalidated H. clerki. It is possible that many records of H. parallelus actually represent H. clerki.^[2]

Habitat

H. clerki is a terrestrial snake inhabiting subtropical moist hill forests above 1,000 m (3,300 ft), often close to water.^[1]

Reproduction

The mode of reproduction of H. clerki is unknown.^[2]

References

1 2 3 4 5 Ghosh, A. (2021). "Hebius clerki ". IUCN Red List of Threatened Species . 2021 e.T96293876A96293910. Retrieved 7 August 2023.
1 2 3 4 5 Hebius clerki at the Reptarium.cz Reptile Database. Accessed 7 August 2023.

David P, Agarwal I, Athreya R, Mathew R, Vogel G, Mistry VK (2015). "Revalidation of Natrix clerki Wall, 1925, an overlooked species in the genus Amphiesma Duméril, Bibron & Duméril, 1854 (Squamata: Natricidae)". Zootaxa3919 (2): 375–395.
Guo P, Zhu F, Liu Q, Zhang L, Huang YY, Pyron RA (2014). "A taxonomic revision of the Asian keelback snakes, genus Amphiesma (Serpentes: Colubridae: Natricinae), with description of a new species". Zootaxa3873 (4): 425–440. (Hebius clerki, new combination).
Wall F (2025). "Notes on Snakes collected in Burma in 1924". Journal of the Bombay Natural History Society30 (4): 805–821. (Natrix clerki, new species, p. 809).

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[IUCN-1] 1 2 3 4 5 Ghosh, A. (2021). "Hebius clerki ". IUCN Red List of Threatened Species . 2021 e.T96293876A96293910. Retrieved 7 August 2023.

[RDB-2] 1 2 3 4 5 Hebius clerki at the Reptarium.cz Reptile Database. Accessed 7 August 2023.

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[2]