IUCN threat status:

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Porthidium volcanicum

Common names: Ujarran hognosed pitviper.[2]

Porthidium volcanicum is a venomous pitviper species found in Costa Rica. No subspecies are currently recognized.[3]



Adults are moderately stout with females growing to 31-53.6 cm (12¼-21⅛ inches) in total length. The only male ever collected was 25.9 cm (10⅛ inches) long.[1]

Geographic range

Known only from the type locality, which is given as "Ujarrás de Buenos Aires (Valle del General, suoeste de la provincia de Puntarenas, Costa Rica)" (Volcán de Buenos Aires and Valle del General in Puntarenas Province, Costa Rica.[1]


Occurs in tropical moist forest. The region receives 3,500 mm (138 inches) of rainfall annually and has a dry season January-April.[2]

See also


  1. ^ a b c McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  2. ^ a b Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. 2 volumes. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. ISBN 0-8014-4141-2.
  3. ^ "Porthidium volcanicum". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=634903. Retrieved 6 August 2008.

Further reading

  • Solórzano, Alejandro. 1994. Una nueva especie de serpiente terrestre del genero Porthidium (Serpentes: Viperidae), del Suroeste de Costa Rica. Revista de Biología Tropical 42 (3): 695-701.


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