Giant Anaconda attacks on Humans - When Animals Attack Compilation 2015. An anaconda is a large snake found mostly in tropical South America. It also belongs to group of snakes, it is often used to refer only to one species in particular, the common or green anaconda, Eunectes murinus, which is the largest snake in the world by weight, and the second longest.Their average size is 6 m (20 feet)long and 148 kg(300 pounds) .Anacondas are not venomous; they use constriction instead to subdue their prey. Once an anaconda sights its target.
