Trimeresurus borneensis

Trimeresurus borneensis
Conservation status

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Trimeresurus
Species: T. borneensis
Binomial name
Trimeresurus borneensis
(W. Peters, 1872)
Synonyms
  • Atropophis borneensis
    W. Peters, 1872
  • Bothrops sandakanensis
    Lidth de Jeude, 1893
  • Lachesis borneensis
    – Boulenger, 1896
  • Trimeresurus borneensis
    – Barbour, 1912[2]
  • Trimeresurus (Craspedocephalus) borneensis – David et al., 2011[3]
Common names: Bornean pit viper.[4]

Trimeresurus borneensis is a venomous pit viper species endemic to the island of Borneo.[1] No subspecies are currently recognized.[3][5]

Description

Scalation includes 19–21 rows of dorsal scales at midbody, 152–180 ventral scales, undivided anal scale, 45–58 divided subcaudal scales, and 8–11 supralabial scales.[4]

Its coloration varies. Individuals may be brown with darker brown saddles, or light brown with a few darker markings, or even bright yellow with darker markings.

Adults may attain 83 cm (33 in) in snout-vent length (SVL).[6]

Geographic range

T. borneensis is found on the island of Borneo (Brunei, Kalimantan, Sabah, Sarawak) as well as in the Natuna Islands.[1]

The type locality given is "Sarawack" (= Sarawak, Borneo).[2]

Habitat

It is found in forests below an altitude of 1,130 m (3,710 ft). Even though the tail is prehensile, adults are usually on the forest floor. Juveniles may be in low vegetation.[6]

Diet

T. borneensis preys upon small rodents and small birds.[1]

Reproduction

Whether this species of Trimeresurus lays eggs or bears live young is as yet unknown.[6]

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 Iskandar, D., Vogel, G., Auliya, M., Das, I. & Inger, R.F. (2012). "Trimeresurus borneensis". IUCN Red List of Threatened Species. Version 2014.3. International Union for Conservation of Nature. Retrieved 17 March 2015.
  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 Trimeresurus borneensis at the Reptarium.cz Reptile Database. Accessed 28 July 2008.
  4. ↑ 4.0 4.1 Gumprecht A, Tillack F, Orlov NL, Captain A, Ryabov S. 2004. Asian Pit vipers. GeitjeBooks Berlin. 1st Edition. 368 pp. ISBN 3-937975-00-4.
  5. ↑ "Trimeresurus borneensis". Integrated Taxonomic Information System. Retrieved 28 July 2008.
  6. ↑ 6.0 6.1 6.2 Das, Indraneil. 2006. A Photographic Guide to Snakes and Other Reptiles of Borneo. Ralph Curtis Books. Sanibel Island, Florida. 144 pp. ISBN 0-88359-061-1. (Trimeresurus borneensis, p. 57.)

Further reading