title: Hydrodynastes
text: # Hydrodynastes
  
  Hydrodynastes is a small genus of large colubrid snakes in the subfamily Dipsadinae. The genus is endemic to South America.
  
  ## Species
  
  Two species are recognized.
  
  * Hydrodynastes bicinctus (Herrmann, 1804)
  * Hydrodynastes gigas (A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854)
  