Amphiesma platyceps

Himalayan keelback
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Subfamily: Natricinae
Genus: Amphiesma
Species: A. platyceps
Binomial name
Amphiesma platyceps
(Blyth, 1854)
Synonyms

Tropidonotus platyceps Blyth, 1854
Zamenis himalayanus Steindachner, 1867
Tropidonotus platyceps Boulenger, 1893
Tropidonotus firthi Wall, 1914
Rhabdophis platyceps Wall, 1923
Natrix platyceps Shaw et al., 1939

The Himalayan keelback (Amphiesma platyceps) is a species of grass snake found in South Asia.

It is known from India along the sub-Himalayan region, Nepal, Bangladesh, Pakistan, Bhutan and China between 1000 to 3600 m elevation.

Contents

Description

Eye moderate; rostral just visible from above; suture between the internasals as long as that between the pre-frontals or shorter; frontal longer than its distance from the end of the snout, shorter than the parietals; loreal longer than deep ; one pre-ocular (sometimes divided); two or three postoculars; temporals 1+1, or 1+2, or 2+2; upper labials 8, third, fourth, and fifth entering the eye; 4 or 5 lower labials in contact with the anterior chin-shields, which are much shorter than the posterior. Scales in 19 rows faintly or feebly keeled. 177-235 ventrals; anal divided; subcaudals 75-107. Olive-brown above, with small black spots; frequently two black parallel lines or an elliptic marking on the nape; a light, black-edged streak on each side of the head, or a black line from eye to gape; belly yellowish, with or without blackish dots; frequently a black line or series of elongate blackish spots along each side of the belly; lower surface of tail frequently mottled with blackish; throat sometimes black. In life, a coral-red band is said to run along the ends of the ventrals.[1]

Total length 90 cm (3 feet); tail 23 cm (9 inches).[2]

References

  1. ^ Boulenger, G. A. 1890. Fauna of British India. Reptilia and Amphibia. p. 348
  2. ^ Boulenger, G.A. 1893. Catalogue of the Snakes in the British Museum (Natural History), Volume I. London.

Further reading

External links