The giant ringed sea snake is about two meters long, and its right lung occupies almost the right half of the body. It belongs to amphibious snakes. The giant ringed sea snake has a paddle-shaped tail and nostrils that can be closed when diving. The flat tail of giant ringed sea snakes helps them swim fast by pushing the water on both sides of the body in turn. The round body and enlarged ventral scales help the giant ringed sea snake crawl on land.

The giant-ringed sea snake lives in coral reefs and mangroves in Southeast Asia, and fishes and other animals for food. Although the fangs of the giant ringed sea snake are small,the giant ringed sea snake's venom is extremely poisonous, and luckily they hardly bite. Some sea snakes give birth directly to their young so they can live in the ocean their whole life, but giant ringed sea snakes need to lay eggs, so they need to come ashore to reproduce.