The snake love wet environment such as near the river, lake, swamp, and civiliant home. It is a good swimmer in water. Look at his body! Isn't it so beautifull?
Basically, the snake don't look too dangerous. Why? because its bite doesn't kill people. But in some case, there are a serious problem to human body. Especially for certain blood type. Its poison can damage blood circulation and cause internal bleeding. So.... this snake have a dangerous snake cathagory for many country.
The picture is taken from: id.wikipedia.org