Biology:Echis pyramidum

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Short description: Venomous snake, a carpet viper

Echis pyramidum
Echis pyramidum-4.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Echis
Species:
E. pyramidum
Binomial name
Echis pyramidum
(I. Geoffroy Saint-Hilaire, 1827)
Synonyms[2]
  • Scythale pyramidum
    Geoffroy Saint-Hilaire in Savigny, 1827
  • [Echis] arenicola F. Boie, 1827
  • Echis pavo Reuss, 1834
  • Echis varia Reuss, 1834
  • Vipera echis Schlegel, 1837
  • Vipera pyramidarum Schlegel, 1837
  • Echis [(Toxicoa)] arenicola
    — Gray, 1849
  • Toxicoa arenicola — Günther, 1858
  • Echis carinatus
    — Boulenger, 1896 (part)
  • Echis carinatus pyramidum
    — Constable, 1949
  • Echis p[yramidum]. pyramidum
    — Cherlin, 1983
  • Echis pyramidum — Joger, 1984
  • Echis [(Toxicoa)] pyramidum pyramidum — Cherlin, 1990
  • Echis [(Toxicoa)] pyramidum lucidus Cherlin, 1990
  • Echis [(Toxicoa)] varia varia
    — Cherlin, 1990
  • Echis [(Toxicoa)] varia borkini Cherlin, 1990
  • Echis [(Toxicoa)] varia darevskii Cherlin, 1990
  • Echis pyramidum pyramidum
    — Golay et al., 1993

Echis pyramidum, known as the Northeast African carpet viper,[3] Egyptian saw-scaled viper,[4] and by other common names, is a species of viper endemic to Northeast Africa and the Arabian Peninsula. Like all other vipers, it is venomous. Three subspecies are currently recognized, including the nominate subspecies described here.[5]

This species, along with the closely related Echis ocellatus (both of the Carpet viper species) cause the most cases of snakebite deaths in the world.[6] Two antivenoms are available to counteract snakebites from this species: Polyvalent Anti-viper Venom by VACSERA in Egypt and SAIMR Echis antivenom by South African Vaccine Producers.[7]

Etymology

The specific name, pyramidum, refers to the Egyptian pyramids.[8][9]

Description

The average total length (body + tail) is 30–60 cm (12–24 in) with a maximum total length of 85 cm (33 in) (possibly slightly more).[3]

Common names

Northeast African carpet viper,[3] Egyptian saw-scaled viper,[4] Egyptian carpet viper, Geoffroy's carpet viper.[10]

Geographic range

In northeastern Africa it occurs in northern Egypt, central Sudan, Eritrea, Ethiopia, Djibouti, Somalia, and northern Kenya. There are also scattered populations in the southwest of the Arabian Peninsula in western Saudi Arabia (south of the 18th parallel), Yemen, South Yemen (in Hadhramaut), and in Oman.[2]

The type locality given is "Egypte" (Egypt).[2]

Disjunct populations reportedly occur in Algeria, Tunisia, Libya, and northern Egypt. It is absent in southern Egypt.[3][4]

Subspecies

Subspecies[5] Taxon author[5] Geographic range[4]
E. p. aliaborri Drews & Sacherer, 1974 Northern Kenya
E. p. leakeyi Stemmler & Sochurek, 1969 Northwestern Kenya, Southwest Ethiopia
E. p. pyramidum (I.Geoffroy Saint-Hilaire, 1827) Southern Arabia, Somalia, Ethiopia, Sudan, Egypt, Libya and Tunisia.

References

  1. ↑ Joger, U.; Geniez, P.; Crochet, P-A.; Baha El Din, S. (2010). "Echis pyramidum". IUCN Red List of Threatened Species 2010: e.T178401A7539376. doi:10.2305/IUCN.UK.2010-4.RLTS.T178401A7539376.en. https://www.iucnredlist.org/species/178401/7539376. Retrieved 19 November 2021. 
  2. ↑ 2.0 2.1 2.2 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. ↑ 3.0 3.1 3.2 3.3 Spawls S, Branch B. 1995. The Dangerous Snakes of Africa. Dubai: Ralph Curtis Books. Oriental Press. 192 pp. ISBN:0-88359-029-8.
  4. ↑ 4.0 4.1 4.2 4.3 Mallow D, Ludwig D, Nilson G. 2003. True Vipers: Natural History and Toxinology of Old World Vipers. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN:0-89464-877-2.
  5. ↑ 5.0 5.1 5.2 "Echis pyramidum". Integrated Taxonomic Information System. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=634974. Retrieved 2 August 2006. 
  6. ↑ "WHO | WHO issues new recommendation on antivenom for snakebites". https://www.who.int/medicines/news/snake_antivenoms_new_recommendation/en/. 
  7. ↑ "WHO Blood Products and related Biologicals Animal sera Antivenons frames page". World Health Organization. http://apps.who.int/bloodproducts/snakeantivenoms/database/. 
  8. ↑ Geoffroy Saint-Hilaire I.
  9. ↑ E. p. pyramidum @ Tomáš Mazuch.
  10. ↑ Echis pyramidum at Munich AntiVenom INdex (MAVIN). Accessed 3 August 2007.

Further reading

  • Cherlin VA. 1990. [A taxonomic revision of the snake genus Echis (Viperidae). II. An analysis of taxonomy and description of new forms]. [Proc. Zool. Inst. Leningrad] 207: 193–223. (in Russian).
  • Geoffroy-Saint-Hilaire I. 1827. Description des Reptiles. pp. 121–160. In: Savigny M-J-C-L. 1827. Description d'Égypte, ou Recueil des Observations et des Recherches qui ont été faites en Égypte pendant l'Éxpedition de l'Armée française, publié pars les ordres de sa Majesté l'Empereur Napoléon Le Grand. Histoire Naturelle. Paris: l'Imprimerie Impériale. (Scythale pyramidum, pp. 151–154 + Plate VII, Figure 1). (in French)
  • Golay P, Smith HM, Broadley DG, Dixon JR, McCarthy CJ, Rage J-C, Schätti B, Toriba M. Endoglyphs and Other Major Venomous Snakes of the World. A Checklist. Geneva: Azemiops Herpetological Data Center. 478 pp.

External links

Wikidata ☰ Q164936 entry



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