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Helicops hagmanni

From Wikipedia, the free encyclopedia

Helicops hagmanni
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Helicops
Species:
H. hagmanni
Binomial name
Helicops hagmanni
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

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The specific name, hagmanni, is in honor of Swiss-Brazilian zoologist Gottfried A. Hagmann.[2]

Geographic range

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H. hagmanni is found in Brazil, Colombia, Peru, and Venezuela.[1]

Habitat

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The preferred natural habitat of H. hagmanni is freshwater wetlands in forest, at altitudes below 250 m (820 ft).[1]

Description

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H. hagmanni has 21–29 rows of dorsal scales at midbody. Its subcaudal scales are keeled, and number only 50–59.[3] Its teeth are very long and are nonrecurved. [4]

Behavior

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H. hagmanni is aquatic.[1]

Diet

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H. hagmanni preys upon fishes.[1]

Reproduction

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H. hagmanni is ovoviviparous.[3]

References

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  1. ^ a b c d e Calderón, M.; Ortega, A.; Nogueira, C.; Gagliardi, G.; Schargel, W.; Rivas, G. (2019). "Helicops hagmanni ". IUCN Red List of Threatened Species. 2019: e.T15179004A115353166. Retrieved 2 December 2021.
  2. ^ 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).
  3. ^ a b Species Helicops hagmanni at The Reptile Database www.reptile-database.org.
  4. ^ Rossman DA (1975)

Further reading

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  • 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).