Helicops hagmanni

{{Short description|Species of snake}}

{{speciesbox

| image =

| image_caption =

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author1=Calderón, M. |author1-link=species:Martha Lucía Calderón-Espinosa |author2=Ortega, A. |author3=Nogueira, C. |author3-link=species:Cristiano de Campos Nogueira |author4=Gagliardi, G. |author4-link=species:Guissepe Gagliardi-Urrutia |author5=Schargel, W. |author5-link=species:Walter E. Schargel |author6=Rivas, G. |author6-link=species:Gilson A. Rivas |year=2019 |title=Helicops hagmanni |volume=2019 |page= e.T15179004A115353166|url=https://www.iucnredlist.org/species/15179004/115353166 |access-date=2 December 2021}}

| genus = Helicops

| species = hagmanni

| authority = Roux, 1910

}}

Helicops hagmanni, also known commonly as Hagmann's keelback, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is native to the Amazon River basin in South America.

Etymology

The specific name, hagmanni, is in honor of Swiss-Brazilian zoologist Gottfried A. Hagmann.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}}. (Helicops hagmanni, p. 114).

Geographic range

H. hagmanni is found in Brazil, Colombia, Peru, and Venezuela.

Habitat

The preferred natural habitat of H. hagmanni is freshwater wetlands in forest, at altitudes below {{cvt|250|m|ft}}.

Description

H. hagmanni has 21–29 rows of dorsal scales at midbody. Its subcaudal scales are keeled, and number only 50–59.{{EMBL species|genus=Helicops|species=hagmanni}} www.reptile-database.org. Its teeth are very long and are nonrecurved. Rossman DA (1975)

Behavior

H. hagmanni is aquatic.

Diet

H. hagmanni preys upon fishes.

Reproduction

H. hagmanni is ovoviviparous.

References

{{Reflist}}

Further reading

  • Freiberg M (1982). Snakes of South America. Hong Kong: T.F.H. Publications. 189 pp. {{ISBN|0-87666-912-7}}. (Helicops hagmanni, p. 99).
  • Rossman DA (1975). "Redescription of the South American Colubrid Snake Helicops hagmanni Roux". Herpetologica 31 (4): 414–418.
  • Roux J (1910). "Eine neue Helicops-Art aus Brasilien ". Zoologischer Anzeiger 36: 439–440. (Helicops hagmanni, new species). (in German).

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Category:Helicops

Category:Fauna of the Amazon

Category:Snakes of Brazil

Category:Reptiles of Venezuela

Category:Reptiles of Peru

Category:Reptiles described in 1910

Category:Taxa named by Jean Roux

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