What is the biggest Anaconda? (1-20) Biggest Python Snake, Giant Anaconda, Worlds Biggest Snake Found in Amazon River #1 #Rachel Thanks for watching! Please, like, comment and subscribe . What is the biggest Anaconda? (1-20) Giant Anaconda Attacks Humans Caught on Tape - When Animals attack People Caught on Camera! Website: Like and . The largest living snakes in the world, measured either by length or by weight, are various members of the boidae and pythonidae families. They include .