He is doing heavy work every day.

Sea snakes live in the sea.

A sea snake is a type of marine creature, often venomous.

He keeps a python.

A python is a very large snake, which can reach up to 9 meters in length.

He was bitten by a bush snake.

The Japanese striped snake, or 'Shimahebi', is a snake unique to Japan, and as the name suggests, it has striped patterns on its body.

The rattlesnake is a creature often seen in desert areas.

He was bitten by a rattlesnake.

The rattlesnake is a type of venomous snake, and its name comes from the sound of its tail.