Helicops hagmanni
Appearance
Helicops hagmanni | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Order: | Squamata |
Suborder: | Serpentes |
Family: | Colubridae |
Genus: | Helicops |
Species: | H. hagmanni
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Binomial name | |
Helicops hagmanni Roux, 1910
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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
[edit]The specific name, hagmanni, is in honor of Swiss-Brazilian zoologist Gottfried A. Hagmann.[2]
Geographic range
[edit]H. hagmanni is found in Brazil, Colombia, Peru, and Venezuela.[1]
Habitat
[edit]The preferred natural habitat of H. hagmanni is freshwater wetlands in forest, at altitudes below 250 m (820 ft).[1]
Description
[edit]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
[edit]Diet
[edit]H. hagmanni preys upon fishes.[1]
Reproduction
[edit]H. hagmanni is ovoviviparous.[3]
References
[edit]- ^ 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.
- ^ 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).
- ^ a b Species Helicops hagmanni at The Reptile Database www.reptile-database.org.
- ^ Rossman DA (1975)
Further reading
[edit]- 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).