Chordates • Earth.com

King cobra

(Ophiophagus hannah)

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Description

The king cobra (Ophiophagus hannah) is a venomous snake species of elapids endemic to jungles in Southern and Southeast Asia. The sole member of the genus Ophiophagus, it is distinguishable from other cobras, most noticeably by its size and neck patterns. The king cobra is the world's longest venomous snake, with an average length of 3.18 to 4 m (10.4 to 13.1 ft), reaching a maximum of 5.85 m (19.2 ft). Its skin colour varies across the habitats, from black with white stripes to unbroken brownish grey. It preys chiefly on other snakes, including its own species. Unlike other snakes, it rarely hunts other vertebrates, such as rodents and lizards. The king cobra's skin is olive green with black and white bands on the trunk that converge to the head. The head is covered by 15 drab coloured and black edged shields. The muzzle is rounded, and the tongue black. It has two fangs and 3–5 maxillar teeth in the upper jaw, and two rows of teeth in the lower jaw. The nostrils are between two shields. The large eyes have a golden iris and round pupils. Its hood is oval shaped and covered with olive green smooth scales and two black spots between the two lowest scales. Its cylindrical tail is yellowish green above and marked with black. It has a pair of large occipital scales on top of the head, 17 to 19 rows of smooth oblique scales on the neck, and 15 rows on the body. Juveniles are black with chevron shaped white, yellow or buff bars that point towards the head. Adult king cobras are 3.18 to 4 m (10.4 to 13.1 ft) long. The king cobra has a wide distribution in South and Southeast Asia. It occurs up to an elevation of 2,000 m (6,600 ft) from the Terai in India and southern Nepal to the Brahmaputra River basin in Bhutan and northeast India, Bangladesh and to Myanmar, southern China, Cambodia, Thailand, Laos, Vietnam, Malaysia, Singapore, Indonesia and the Philippines. In northern India, it has been recorded in Garhwal and Kumaon, and in the Shivalik and terai regions of Uttarakhand and Uttar Pradesh. In northeast India, the king cobra has been recorded in northern West Bengal, Sikkim, Assam, Meghalaya, Arunachal Pradesh, Nagaland, Manipur and Mizoram. In the Eastern Ghats, it occurs from Tamil Nadu and Andhra Pradesh to coastal Odisha, and also in Bihar and southern West Bengal, especially the Sundarbans. In the Western Ghats, it was recorded in Kerala, Karnataka and Maharashtra, and also in Gujarat. It also occurs on Baratang Island in the Great Andaman chain.

Taxonomic tree:

Domain:
Kingdom: Animalia
Phylum:
Class: Reptilia
Order:Squamata
Family:Elapidae
Genus:Ophiophagus
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