Hagmann's Keelback

About the Hagmann's Keelback

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

H. hagmanni is found in Brazil, Colombia, Peru, and Venezuela. The preferred natural habitat of H. hagmanni is freshwater wetlands in forest, at altitudes below 250 m (820 ft). H. hagmanni has 21–29 rows of dorsal scales at midbody. Its subcaudal scales are keeled, and number only 50–59. Its teeth are very long and are nonrecurved.

H. hagmanni is aquatic. H. hagmanni preys upon fishes. H. hagmanni is ovoviviparous. 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... Wikipedia →