Helicops hagmanni

Helicops hagmanni
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
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

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

Geographic range

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

Habitat

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

Description

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

H. hagmanni is aquatic.^[1]

Diet

H. hagmanni preys upon fishes.^[1]

Reproduction

H. hagmanni is ovoviviparous.^[3]

References

1 2 3 4 5 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.
↑ 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).
1 2 Species Helicops hagmanni at The Reptile Database www.reptile-database.org.
↑ Rossman DA (1975)

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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[IUCN-1] 1 2 3 4 5 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).

[RDB-3] 1 2 Species Helicops hagmanni at The Reptile Database www.reptile-database.org.

[4] Rossman DA (1975)

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