The King Cobra is a venomous snake species found in South and Southeast Asia. It is the longest venomous snake in the world, reaching up to 18 feet (5.5 meters) in length. King Cobras are known for their distinctive hood, which they expand when threatened or preparing to strike.King Cobras have a reputation as a snake that eats other snakes because they are known to feed on other snake species, including venomous ones.