Earth | Nature | Ocean on Instagram: "The Green Anaconda holds the title of the heaviest snake in the world, with the greatest girth in proportion to its length. Length: They typically average around 18 feet (5.5 meters), but females (which are significantly larger than males) can reach verified lengths of up to 30 feet (9 meters). Weight: They can weigh as much as 550 pounds (250 kg). Range: Native to tropical South America, primarily in the Amazon and Orinoco river basins.Habitat: They are a s