Trimeresurus gracilis

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Trimeresurus gracilis
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Trimeresurus
Species: T. gracilis
Binomial name
Trimeresurus gracilis

Trimeresurus gracilis, commonly known as the Taiwan pit viper, is a venomous pit viper species endemic to Taiwan. No subspecies are currently recognized.[3] The species is known as Kikushi habu in Japanese.[4]


Trimeresurus gracilis is a small snake with a total length up to 60 cm (24 in).[5] Scalation includes 19 (or 21) rows of dorsal scales at midbody, 144-149 ventral scales, 43-53 subcaudal scales, and 7-8 supralabial scales.[4]

Geographic range[edit]

It is found only in Taiwan, above 2,000 m (6,600 ft) above sea level.[1] The type locality given is "Mt. Noko, Nanto". According to Zhao and Adler (1993), this would be "Mt. Nôkô, Nanto Co., central Formosa" (Mount Nengkaoshan, Nantou County, Taiwan).[2]

See also[edit]


  1. ^ a b Jiang, J. & Lau, M. (2012). "Trimeresurus gracilis". The IUCN Red List of Threatened Species. IUCN. 2012: e.T191909A2014204. doi:10.2305/IUCN.UK.2012-1.RLTS.T191909A2014204.en. Retrieved 15 January 2018.
  2. ^ a b 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. ^ "Trimeresurus gracilis". Integrated Taxonomic Information System. Retrieved 28 July 2008.
  4. ^ a b Gumprecht A, Tillack F, Orlov NL, Captain A, Ryabov S. 2004. Asian Pitvipers. GeitjeBooks. Berlin. 1st Edition. 368 pp. ISBN 3-937975-00-4.
  5. ^ Hans Breuer & William Christopher Murphy (2009–2010). "Trimeresurus gracilis". Snakes of Taiwan. Retrieved 9 October 2012. External link in |work= (help)

Further reading[edit]

  • Ōshima, M. 1920. Notes on the Venomous Snakes from the Islands of Formosa and Riu Kiu. Annual Report of the Institute of Science, Government of Formosa. 8 (2): 1-99. ("Trimeresurus gracilis sp. nov.", pp. 10–11 + Plate XII, Figures 5 & 6.)
  • Zhao, Er-mi, and Kraig Adler. 1993. Herpetology of China. Society for the Study of Amphibians and Reptiles (SSAR). Oxford, Ohio. 522 pp. ISBN 978-0916984281.

External links[edit]