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Cobra is the common name of various venomous snakes, most of which belong to the genus Naja. [ 1 ] Many cobras are capable of rearing upwards and producing a hood when threatened.
The king cobra (Ophiophagus hannah) is a species complex of snakes endemic to Asia.With an average of 3.18 to 4 m (10.4 to 13.1 ft) and a record length of 5.85 m (19.2 ft), [2] it is the world's longest venomous snake and among the heaviest.
Naja arabica Scortecci, 1932, the Arabian cobra, has long been considered a subspecies of N. haje, but was recently raised to the status of species. [40] Naja ashei Broadley and Wüster, 2007, Ashe's spitting cobra, is a newly described species found in Africa and also a highly aggressive snake; it can spit a large amount of venom. [41] [42]
The Egyptian cobra is a large species. The head is large and depressed and slightly distinct from the neck. The neck of this species has long cervical ribs capable of expanding to form a hood, like all other cobras. The snout of the Egyptian cobra is moderately broad and rounded. The eye is quite big with a round pupil.
The Indian cobra (Naja naja /nadʒa nadʒa/), also known commonly as the spectacled cobra, Asian cobra, or binocellate cobra, is a species of cobra, a venomous snake in the family Elapidae. The species is native to the Indian subcontinent , and is a member of the "big four" species that are responsible for the most snakebite cases in India.
The monocled cobra has an O-shaped, or monocellate hood pattern, unlike that of the Indian cobra, which has the "spectacle" pattern (two circular ocelli connected by a curved line) on the rear of its hood. The elongated nuchal ribs enable a cobra to expand the anterior of the neck into a “hood”. Coloration in the young is more constant.
The forest cobra (Naja melanoleuca), also commonly called the black cobra and the black and white-lipped cobra, [4] is a species of highly venomous snake in the family Elapidae. The species is native to Africa , mostly the central and western parts of the continent. [ 5 ]
The Chinese cobra (Naja atra), also called the Taiwan cobra, is a species of cobra in the family Elapidae, found mostly in southern China and a couple of neighboring nations and islands. [ 5 ] [ 6 ] [ 7 ] It is one of the most prevalent venomous snakes in China , which has caused many snakebite incidents to humans.