The snakes of colombia belongs to nine famillies of these are poisonous and dangerous, the family viperidae (viper), Elapidae (coral and sea snakes), and the family Colubridae (common Snakes), only three genus have been reported as dangerous (Apostolepis, philodryas y Xenodon).
The snakes of the Family Boidae, in the genus Boa (Boa or Guio) and Eunectes (Anaconda) can be dangerous for their strength (constriction), these snakes aren't poisonous.
