# Trimeresurus sabahi

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Species of snake

Trimeresurus sabahi Trimeresurus sabahi fucatus 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. sabahi Binomial name Trimeresurus sabahi Regenass & Kramer, 1981 Synonyms Trimeresurus popeorum sabahi Regenass & Kramer, 1981 Trimeresurus gramineus sabahi – Welch, 1988 Trimeresurus popeorum sabahi – Golay et al., 1993[2] Trimeresurus popeiorum sabahi – Gumprecht et al., 2004 Trimeresurus sabahi – Vogel et al., 2004 Popeia sabahi – Creer et al., 2006 Trimeresurus (Popeia) sabahi – Vogel et al., 2011

***Trimeresurus sabahi***, [commonly known](/source/Common_name) as the **Sabah pit viper**[1] or **Sabah bamboo pitviper**,[3][4] is a [venomous](/source/Venomous_snake) [pitviper](/source/Crotalinae) [species](/source/Species).[3] If defined narrowly, it is [endemic](/source/Endemic) to the island of [Borneo](/source/Borneo).[1] If defined more broadly, it consists of five [subspecies](/source/Subspecies) found in [Southeast Asia](/source/Southeast_Asia).[3]

## Subspecies

There are five subspecies:[3]

- *[Trimeresurus sabahi barati](/source/Trimeresurus_sabahi_barati)* Regenass & Kramer, 1981 – Sumatra, Mentawai Archipelago (Indonesia)

- *[T. s. buniana](https://en.wikipedia.org/w/index.php?title=Trimeresurus_sabahi_buniana&action=edit&redlink=1)* [Grismer](/source/Larry_Lee_Grismer), Grismer & McGuire, 2006 – [Tioman Island](/source/Tioman_Island) (Malaysia)

- *[T. s. fucatus](https://en.wikipedia.org/w/index.php?title=Trimeresurus_sabahi_fucatus&action=edit&redlink=1)* Vogel, David & [Pauwels](/source/Olivier_Sylvain_G%C3%A9rard_Pauwels), 2004 – [Malay Peninsula](/source/Malay_Peninsula) (southern Myanmar, Thailand, West Malaysia)

***T. s fucatus***

- *T. s. sabahi* Regenass & Kramer, 1981 – northern [Borneo](/source/Borneo) (Malaysia)

- *[T. s. toba](https://en.wikipedia.org/w/index.php?title=Trimeresurus_sabahi_toba&action=edit&redlink=1)* David, Petri, Vogel & Doria, 2009 – Sumatra

IUCN treats these as full species, respectively *T. barati*,[5] *T. buniana*,[6] *T. fucatus*,[7] and *T. toba*,[8] restricting *T. sabahi* to the [nominotypical subspecies](/source/Nominotypical_subspecies).[1]

## Description

Adults may attain a [snout-vent length](/source/Snout-vent_length) (SVL) of 62 cm (24 in).[9]

Dorsally, it is uniform green, without crossbars. Ventrally it is pale green. There is narrow bicolor stripe on the first one and a half dorsal scale rows. In males this stripe is rust-colored or red below, and it is white above. In females it is yellow or white. The [iris](/source/Iris_(anatomy)) of the eye is red or orange in adults of both sexes, but in young specimens may be yellowish-green. There are no markings behind the eye.[9]

The scalation includes 21 (23) rows of [dorsal scales](/source/Dorsal_scales) at midbody, 149–157/148–156 [ventral scales](/source/Ventral_scales) in males/females or 148–159 in general, 72–76/59–65 [subcaudal scales](/source/Subcaudal_scales) in males/females, and 9–11 [supralabial scales](/source/Supralabial_scales) (9–10 with the third being the largest).[4]

## Habitat

In Borneo, it inhabits mountainous regions at altitudes from 1,000 m (3,300 ft) to 1,150 m (3,770 ft), where it is commonly found on branches of [shrubs](/source/Shrub) and other low vegetation.[9]

## Reproduction

The reproductive biology of this species is unknown.[9]

## References

1. ^ [***a***](#cite_ref-IUCN_1-0) [***b***](#cite_ref-IUCN_1-1) [***c***](#cite_ref-IUCN_1-2) [***d***](#cite_ref-IUCN_1-3) Iskandar, D.; Das, I.; Inger, R.F.; Vogel, G.; Dehling, M. (2022) [amended version of 2013 assessment]. ["*Trimeresurus sabahi*"](https://www.iucnredlist.org/species/192042/217766870). *[IUCN Red List of Threatened Species](/source/IUCN_Red_List)*. **2022** e.T192042A217766870. [doi](/source/Doi_(identifier)):[10.2305/IUCN.UK.2022-1.RLTS.T192042A217766870.en](https://doi.org/10.2305%2FIUCN.UK.2022-1.RLTS.T192042A217766870.en). Retrieved 19 September 2022.

1. **[^](#cite_ref-McD99_2-0)** McDiarmid RW, [Campbell JA](/source/Jonathan_A._Campbell), Touré T. 1999. *Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1*. Herpetologists' League. 511 pp. [ISBN](/source/ISBN_(identifier)) [1-893777-00-6](https://en.wikipedia.org/wiki/Special:BookSources/1-893777-00-6) (series). [ISBN](/source/ISBN_(identifier)) [1-893777-01-4](https://en.wikipedia.org/wiki/Special:BookSources/1-893777-01-4) (volume).

1. ^ [***a***](#cite_ref-RDB_3-0) [***b***](#cite_ref-RDB_3-1) [***c***](#cite_ref-RDB_3-2) [***d***](#cite_ref-RDB_3-3) [*Trimeresurus sabahi*](http://reptile-database.reptarium.cz/species.php?genus=Trimeresurus&species=sabahi) at the [Reptarium.cz Reptile Database](http://reptile-database.reptarium.cz/). Accessed 19 September 2022.

1. ^ [***a***](#cite_ref-Gum04_4-0) [***b***](#cite_ref-Gum04_4-1) Gumprecht A, Tillack F, [Orlov NL](/source/Nikolai_Liutsianovich_Orlov), [Captain A](/source/Ashok_Captain), Ryabov S. 2004. *Asian Pitvipers*. Geitje Books. Berlin. 1st Edition. 368 pp. [ISBN](/source/ISBN_(identifier)) [3-937975-00-4](https://en.wikipedia.org/wiki/Special:BookSources/3-937975-00-4).

1. **[^](#cite_ref-5)** Iskandar, D.; Vogel, G.; Inger, R.F.; Auliya, M. (2022) [amended version of 2012 assessment]. ["*Trimeresurus barati*"](https://www.iucnredlist.org/species/191923/217765960). *[IUCN Red List of Threatened Species](/source/IUCN_Red_List)*. **2022** e.T191923A217765960. [doi](/source/Doi_(identifier)):[10.2305/IUCN.UK.2022-1.RLTS.T191923A217765960.en](https://doi.org/10.2305%2FIUCN.UK.2022-1.RLTS.T191923A217765960.en). Retrieved 18 September 2022.

1. **[^](#cite_ref-IUCN3_6-0)** Grismer, L. (2022) [amended version of 2012 assessment]. ["*Trimeresurus buniana*"](https://www.iucnredlist.org/species/192086/217767279). *[IUCN Red List of Threatened Species](/source/IUCN_Red_List)*. **2022** e.T192086A217767279. [doi](/source/Doi_(identifier)):[10.2305/IUCN.UK.2022-1.RLTS.T192086A217767279.en](https://doi.org/10.2305%2FIUCN.UK.2022-1.RLTS.T192086A217767279.en). Retrieved 19 September 2022.

1. **[^](#cite_ref-IUCN4_7-0)** Wogan, G.; Vogel, G.; Pauwels, O.S.G. (2012). ["*Trimeresurus fucatus*"](https://www.iucnredlist.org/species/178659/1541045). *[IUCN Red List of Threatened Species](/source/IUCN_Red_List)*. **2012** e.T178659A1541045. [doi](/source/Doi_(identifier)):[10.2305/IUCN.UK.2012-1.RLTS.T178659A1541045.en](https://doi.org/10.2305%2FIUCN.UK.2012-1.RLTS.T178659A1541045.en). Retrieved 19 September 2022.

1. **[^](#cite_ref-IUCN5_8-0)** Iskandar, D.; Vogel, G.; Inger, R.F. (2022) [amended version of 2012 assessment]. ["*Trimeresurus toba*"](https://www.iucnredlist.org/species/193452/217770501). *[IUCN Red List of Threatened Species](/source/IUCN_Red_List)*. **2022** e.T193452A217770501. [doi](/source/Doi_(identifier)):[10.2305/IUCN.UK.2022-1.RLTS.T193452A217770501.en](https://doi.org/10.2305%2FIUCN.UK.2022-1.RLTS.T193452A217770501.en). Retrieved 19 September 2022.

1. ^ [***a***](#cite_ref-Das2006_9-0) [***b***](#cite_ref-Das2006_9-1) [***c***](#cite_ref-Das2006_9-2) [***d***](#cite_ref-Das2006_9-3) Das, Indraneil. *A Photographic Guide to Snakes and Other Reptiles of Borneo*. Ralph Curtis Books. Sanibel Island, Florida. 144 pp. [ISBN](/source/ISBN_(identifier)) [0-88359-061-1](https://en.wikipedia.org/wiki/Special:BookSources/0-88359-061-1). (*Popeia sabahi*, p. 56.)

## Further reading

- Regenass, Urs; Kramer, Eugen. 1981. *Zur Systematik der grünen Grubenottern der Gattung* Trimeresurus *(Serpentes, Crotalidae)*. Rev. Suisse de Zoolo. **88** (1): 163–205.

Taxon identifiers Trimeresurus sabahi Wikidata: Q3539225 Wikispecies: Trimeresurus sabahi CoL: 7CTPK GBIF: 8323138 iNaturalist: 30959 IRMNG: 10911682 ITIS: 1058448 IUCN: 192042 NCBI: 342872 Open Tree of Life: 104798 RD: sabahi Trimeresurus popeorum sabahi Wikidata: Q7842185 GBIF: 4287869 ITIS: 635282

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Adapted from the Wikipedia article [Trimeresurus sabahi](https://en.wikipedia.org/wiki/Trimeresurus_sabahi) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Trimeresurus_sabahi?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.