Porthidium nasutum

Porthidium nasutum is a venomous pitviper species found in southern Mexico, Central America and northern South America. No subspecies are currently recognized.[1][3]

Porthidium nasutum
Specimen at La Selva Biological Station, Costa Rica
Scientific classification Edit this classification
Domain: Eukaryota
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]
  • Bothrops nasutus Bocourt, 1868
  • Porthidium nasutum – Cope, 1871
  • Bothriopsis proboscideus
    Cope, 1875
  • Th[anatos]. sutus
    Posada Arango, 1889
  • Th[anatophis]. sutus
    – Posada Arango, 1889
  • Lachesis brachystoma
    Boulenger, 1896
  • Bothrops nasuta – Amaral, 1929
  • Trimeresurus nasutus
    – Dunn & Bailey, 1939
  • Bothrops nasutus
    – J.A. Peters & Orejas-Miranda, 1970
  • Bothriechis nasutus – Savage, 1980
  • Porthidium nasutum
    – H.M. Smith & R.P. Smith, 1976
Common names: hognosed pitviper,[1] hognosed pit viper,[3] rainforest hognosed pitviper,[4] horned hog-nosed viper.[5]

Description
P. nasutum at Corcovado National Park in Costa Rica
P. nasutum at the La Selva Biological Station in Costa Rica

Adults are usually less than 40 centimetres (16 in) in total length, and rarely more than 60 centimetres (24 in). Females are considerably larger than males. Moderately stout and terrestrial.[4]

Geographic range

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. It is found in mesic lowland broadleaf or rainforest from sea level to elevation of about 900 metres (3,000 ft). The type locality given is "Pansos [Panzós], sur les bords du Polochic [Alta Verapaz] (Guatémala)."[2]

Conservation status

This species 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. 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. 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).
  3. Porthidium nasutum at the Reptarium.cz Reptile Database. Accessed 22 February 2021.
  4. 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.
  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, Series 5, 10: 201-202. ("Bothrops nasutus n. sp.", p. 202.)
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