Porthidium nasutum

Porthidium nasutum
Specimen at La Selva Biological Station, Costa Rica
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Porthidium
Species:
P. nasutum
Binomial name
Porthidium nasutum
(Bocourt, 1868)
Synonyms[2]
Common names: hognosed pit viper,[1] hognosed pit viper,[3] rainforest hognosed pit viper,[4] horned hog-nosed viper.[5]

Porthidium nasutum is a pit viper species native to southern Mexico, Central America and northern South America. No subspecies are recognized as being valid.[1][3]

Description

Adults of Porthidium nasutum are usually less than 40 centimetres (16 in) in total length (tail included), and rarely more than 60 centimetres (24 in). Females are considerably larger than males. Both sexes are moderately stout.[4]

Geographic distribution

Porthidium nasutum is found in southern Mexico southward through Central America to western Colombia and northwestern Ecuador in South America. Inhabits the Atlantic lowlands from Mexico (Tabasco and Chiapas) through Belize, Guatemala, Honduras, Nicaragua and Costa Rica to eastern Panama and northwestern Colombia. In the Pacific lowlands, it occurs in southwestern Costa Rica, central and eastern Panama, continuing on to northwestern Ecuador. The type locality given is "Pansos [Panzós], sur les bords du Polochic [Alta Verapaz] (Guatémala)".[2]

Habitat

The preferred natural habitat of Porthidium nasutum is mesic lowland broadleaf or rainforest from sea level to elevations of about 900 m (3,000 ft).[2]

Behavior

Porthidium nasutum is terrestrial.[4]

Reproduction

Porthidium nasutum is ovoviviparous.[3]

Conservation status

The species Porthidium nasutum is classified as Least Concern (LC) on the IUCN Red List of Threatened Species. It is a widespread and moderately common species that is not facing major threats.[1]

References

  1. ^ a b c d Lee, J.; Calderón Mandujano, R. (2007). "Porthidium nasutum". IUCN Red List of Threatened Species. 2007 e.T64344A12772539. doi:10.2305/IUCN.UK.2007.RLTS.T64344A12772539.en. Retrieved 20 November 2021.
  2. ^ a b c McDiarmid RW, Campbell JA, Touré TA (1999). Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Washington, District of Columbia: Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  3. ^ a b c Porthidium nasutum at the Reptarium.cz Reptile Database. Accessed 22 February 2021.
  4. ^ a b c Campbell JA, Lamar WW (2004). The Venomous Reptiles of the Western Hemisphere. Ithaca and London: Comstock Publishing Associates. 870 pp. 1,500 plates. (in two volumes). ISBN 0-8014-4141-2.
  5. ^ Brown JH (1973). Toxicology and Pharmacology of Venoms from Poisonous Snakes. Springfield, Illinois: Charles C. Thomas. 184 pp. LCCCN 73-229. ISBN 0-398-02808-7.

Further reading

  • Bocourt, M.F. (1868). "Descriptions de quelques Crotaliens nouveaux appartenant au genre Bothrops, recueillis dans le Guatémala". Annales des Sciences Naturelles, Cinquième Série [Series 5] 10: 201–202. (Bothrops nasutus, new species, p. 202). (in French).