The longest and heaviest snake to ever live is the titana boa. The longest snake still alive is the reticulated python(longest in the world is 25ft 2"). The heaviest snake still alive is the green anaconda(heaviest in the world over 500 pounds).
The green anaconda is the largest snake , but u never know i belive they r places which humans did not discoverd yet so one did not know what lives there.
