Known as the "king of snakes," the king cobra is the longest venomous snake on Earth and one of the most fascinating reptiles in the animal kingdom. With its towering size, potent venom, and surprisingly attentive parenting, it has earned a reputation that mixes fear with genuine awe.
Here are verified facts about this remarkable predator, from its record-setting length to the unique nest it builds for its eggs.
Despite its name, the king cobra is not a true cobra. It belongs to its own genus, Ophiophagus, while true cobras belong to the genus Naja.
King cobras are the longest venomous snakes in the world, typically reaching 10 to 13 feet, with the longest verified specimen measuring about 18.7 feet.
Its scientific name, Ophiophagus hannah, literally means "snake-eater," reflecting its highly specialized diet.
King cobras primarily eat other snakes, including venomous species like kraits and even other cobras, and will occasionally take small lizards.
Although their venom is powerful enough to kill a human, king cobras are generally shy and will retreat from a threat rather than attack, using their bite as a last resort.
A single king cobra bite can deliver enough neurotoxic venom to kill an elephant, though bites on elephants are extremely rare.
The king cobra's iconic hood is formed by extending its elongated neck ribs, and it flares the hood while rearing up to look larger and more threatening.
King cobras can raise the front third of their long bodies off the ground while keeping the rest coiled, letting them look a person in the eye.
They are found across South and Southeast Asia, including India, southern China, and the Philippines, in habitats ranging from dense rainforest to mangrove swamps and bamboo thickets.
The king cobra is the only snake species known to build a nest for its eggs, gathering leaves and debris into a mound.
The female guards her nest and eggs fiercely for weeks, an unusual level of parental care among reptiles, most of which abandon their eggs entirely.
A clutch typically contains 20 to 40 eggs, which hatch after roughly 60 to 90 days of incubation.
King cobras can move quickly across the ground when needed, but like most snakes their real speed advantage is a fast defensive strike rather than sustained chasing.
In the wild, king cobras typically live around 20 years, and the oldest recorded individual reached 22 years of age.
The IUCN lists the king cobra as Vulnerable, with populations declining due to habitat loss, deforestation, and illegal wildlife trade.
King cobras play an important ecological role by controlling populations of other snakes, including venomous species that pose risks to humans.
In many South and Southeast Asian cultures, the king cobra is a powerful mythological figure, associated with protection, royalty, and transformation.
King cobras are immune to the venom of many other snake species, an adaptation that lets them safely hunt other venomous snakes.
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