The anaconda is the largest living snake. The newborn anaconda is 70-80 cm long. Adult anaconda snakesmore than 9 meters in length, the largest in South America, up to 11.4 meters. According to the data, the longest one is 18 meters and weighs about 3200 kilograms.

Anaconda snakes live in rivers and rivers, mainly preying on terrestrial animals, such as mammals and birds, and also swallowing in some places. Eat alligators. Can be submerged in water for a long time or keep your head above the water a little. Aestivation may be related to the drying of the waters where it lives.The anaconda Snakes can be buried in mud to reduce the evaporation of water from the body.