Trimeresurus hageni

Trimeresurus hageni, commonly known as the Hagen's pit viper[4] (or Hagen's green pit viper),[1] is a species of pit viper, a venomous snake in the subfamily Crotalinae of the family Viperidae. The species is endemic to Southeast Asia. There are no subspecies which are currently recognized as being valid.[5]

Trimeresurus hageni
Trimeresurus hageni 2002 Indonesia stamp.jpg
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Trimeresurus
T. hageni
Binomial name
Trimeresurus hageni
  • Bothrops Hageni
    Lidth de Jeude, 1886
  • Lachesis sumatranus (part)
    Boulenger, 1896
  • Trimeresurus hageni
    Brongersma, 1933[2]
  • Parias hageni
    Malhotra & Thorpe, 2004
  • Trimeresurus (Parias) hageni
    David et al., 2011[3]


The specific name, hageni, is in honor of German naturalist Dr. Bernhard Hagen, who collected mammals, birds, reptiles, and insects in the eastern part of Sumatra.[6][7]


Scalation of T. hageni includes 21 rows of dorsal scales at midbody, 176–198 ventral scales, 63–89 subcaudal scales, and 9–12 supralabial scales.[4]

Geographic rangeEdit

Trimeresurus hageni is found in Peninsular Thailand, Peninsular Malaysia, East Malaysia (Borneo), and Indonesia (Sumatra and the nearby islands of Bangka, Simalur, Nias, Batu, and the Mentawai Islands).

The type locality given is "Sumatra ... [and] island of Banka". Brongersma (1933) emended this to "Deli, Sumatra".[2]


Trimeresurus hageni is oviparous.[3]


  1. ^ a b Grismer, L.; Chan-Ard, T. (2012). "Parias hageni". IUCN Red List of Threatened Species. 2012: e.T191906A2013598. doi:10.2305/IUCN.UK.2012-1.RLTS.T191906A2013598.en. Retrieved 10 January 2020.
  2. ^ a b McDiarmid RW, Campbell JA, Touré T (1999). Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  3. ^ a b "Trimeresurus hageni ". The Reptile Database.
  4. ^ a b Gumprecht A, Tillack F, Orlov NL, Captain A, Ryabov S (2004). Asian Pit vipers. Berlin: GeitjeBooks. 1st Edition. 368 pp. ISBN 3-937975-00-4.
  5. ^ "Trimeresurus hageni ". Integrated Taxonomic Information System. Retrieved 28 July 2008.
  6. ^ Jentink FA (1888). "On a Collection of Mammals from East-Sumatra". Notes from the Leyden Museum 11 (6):17–30.
  7. ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Trimeresurus hageni, pp. 113-114).

Further readingEdit

  • Brongersma LD (1933). "Herpetological Notes I-IX". Zoologische Mededeelingen (Leiden) 16: 1-29. (Trimeresurus hageni, new combination).
  • Lidth de Jeude, Th. W. van (1886). "On Cophias Wagleri Boie and Coluber sumatranus Raffles". Notes from the Leyden Museum 8 (10): 43–54. ("Bothrops Hageni", new species, pp. 53–54).
  • Sanders KL, Malhotra A, Thorpe RS (2002). "A contribution to the systematics of two commonly confused pitvipers from the Sunda Region: Trimeresurus hageni and T. sumatranus ". Bull. Nat. Hist. Mus. London (Zool.) 68 (2): 107–111.

External linksEdit