Trimeresurus strigatus

Short description: species of reptile

Trimeresurus strigatus

Conservation status

Data Deficient (IUCN 3.1)[1]

Scientific classification
Domain:  | Eukaryota
Kingdom:  | Animalia
Phylum:  | Chordata
Class:  | Reptilia
Order:  | Squamata
Suborder:  | Serpentes
Family:  | Viperidae
Genus:  | Trimeresurus
Species:  |

T. strigatus

Binomial name
Trimeresurus strigatus

Gray, 1842

Synonyms

* Trimesurus [sic] strigatus Gray, 1842
* Atropos Darwini
A.M.C. Duméril, Bibron &
A.H.A. Duméril, 1854
* Trigonocephalus (Cophias) neelgherriensis Jerdon, 1854
* Trimesurus Nielgherriensis
- Beddome, 1862
* T[rigonocephalus]. Darwini
- Jan, 1859
* B[othrops] Darwini
- Jan, 1863
* T[rimeresurus]. strigolus Theobald, 1868
* Crotalus Trimeres[urus]. strigatus - Higgins, 1873
* T[rimeresurus]. strigatus
- Theobald, 1876
* T[rigonocephalus]. Nilghiriensis Theobald, 1876
* Lachesis strigatus
- Boulenger, 1896
* Trimeresurus strigatus
- M.A. Smith, 1943
* P[rotobothrops]. strigatus
- Kraus, Mink & Brown, 1996[2]
* Trimeresurus strigatus
- Herrmann et al., 2004
* Trimeresurus (Craspedocephalus) strigatus - David et al., 2011[3]

Trimeresurus strigatus, commonly known as the horseshoe pitviper,[4] is a venomous pitviper endemic to the Western Ghats. No subspecies are currently recognized.[5]

## Contents

* 1 Geographic range
* 2 Description
* 3 References
* 4 Further reading
* 5 External links

## Geographic range

Endemic to the Western Ghats, in Karnataka , Tamil nadu and Kerala states of South India, Trimeresurus strigatus is distributed in the montane forests and Shola grasslands of the Upper Nilgiri (Whitaker & Captain, 2004). Historically misidentified and misreported from extralimital localities from both the Western Ghats and the Eastern Ghats. Perhaps this is the species of pitviper confirmed from India to have the smallest geographic range of all.[6]

The type locality listed is "Cape of Good Hope?" and "Madras?" (Madras Presidency (and not the City), India). The former must be a mistake.[2] Boulenger (1896) restricted the type locality to "Madras Presidency".[3] Inhabits to Sholagrasslands and montane forests. Terrestrial and probably diurnal. Feeds on frogs, lizards and mice. Natural history poorly-known.

## Description

Trimeresurus strigatus may be distinguished from other pit vipers of peninsular India based on the presence of small internasals, 2nd supralabial in contact with loreal pit, 21 rows of smooth or weakly-keeled dorsal scales at midbody, and a single row of scales between labials and suboculars. The common name of the species is based on the presence of a pale buff horseshoe-shaped (i.e., inverted 'U') mark on the nape. The snake is pale brownish or buff coloured with darker blotches of grey and some white streaks.

This species is essentially a terrestrial animal, with most of the sightings on ground or rock formations.

Of 12 snakes measured, the mean snout-vent length (SVL) was 24.4 ± 7.04 cm (9.6 ± 2.8 in), the tail length (tL) was 3.5 ± 0.8 cm (1.4 ± 0.3 in), and the weight was 172 ± 10.5 g (6 ± 0.4 oz).[citation needed]

## References

1. ↑ Srinivasulu, C.; Srinivasulu, B.; Vijayakumar, S.P.; Deepak, V.; Achyuthan, N.S. (2013). "Trimeresurus strigatus". IUCN Red List of Threatened Species 2013: e.T172655A1360236. doi:10.2305/IUCN.UK.2013-1.RLTS.T172655A1360236.en. https://www.iucnredlist.org/species/172655/1360236. Retrieved 13 January 2020.
2. ↑ 2.0 2.1 McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Herpetologists' League. 511 pp. ISBN:1-893777-00-6 (series). ISBN:1-893777-01-4 (volume).
3. ↑ 3.0 3.1 The Reptile Database. www.reptile-database.org.
4. ↑ Gumprecht A, Tillack F, Orlov NL, Captain A, Ryabov S. 2004. Asian Pitvipers. Geitje Books. Berlin. 1st Edition. 368 pp. ISBN:3-937975-00-4.
5. ↑ "Trimeresurus strigatus". Integrated Taxonomic Information System. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=634932. Retrieved 27 September 2006.
6. ↑ Ganesh, S.R. & S. R. Chandramouli (2018). "On the distribution of Trimeresurus strigatus Gray, 1842 – a corrective note.". Sauria 40 (1): 87–91.

## Further reading

* Boulenger, G.A. 1896. Catalogue of the Snakes in the British Museum (Natural History). Vol. III., Containing the...Viperidæ. Trustees of the British Museum (Natural History). (Taylor & Francis, Printers.) xiv + 727 pp. + Plates I.- XXV. (Lachesis strigatus, pp. 549–550.)
* Gray, J.E. 1842. Synopsis of the species of Rattle-Snakes, or Family of CROTALIDÆ. The Zoological Miscellany 2: 47-51. ("Trimesurus [sic] strigatus", p. 49.)
* Herrmann, H.-W.; Ziegler, T.; Malhotra, A.; Thorpe, R.S.; & Parkinson, C.L. 2004. Redescription and systematics of Trimeresurus cornutus (Serpentes: Viperidae) based on morphology and molecular data. Herpetologica 60 (2): 211-221.

* Ganesh, S.R. & S. R. Chandramouli. 2018. On the distribution of Trimeresurus strigatus Gray, 1842 – a corrective note. Sauria 40 (1): 87-91.

## External links

* Trimeresurus strigatus at the Reptarium.cz Reptile Database. Accessed 6 December 2007.

Wikidata ☰ Q3007099 entry

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