The genus Nerodia is composed of 9 species and several subspecies of snakes commonly known as "water snakes." These snakes are relatively heavy bodied. They have flat heads, with round pupils. The genus includes the following species:
Cite this Page: Nelson, R. 2010. "Nerodia"
(OnLine) UntamedScience. Accessed Feb 09, 2012 at http://www.untamedscience.com/biodiversity/animals/chordates/reptiles/scaled-reptiles/colubrids/nerodia