Cobras

By Colin Jones

The species of snake called the spitting cobra is very unusual as it not only has a poisonous bite but it also spits venom into the eyes of its prey and aggressors. Contact of this venom with your eyes is very painful and can even blind you temporarily, therefore, if you get cobra venom in your eyes, irrigate them with water at once in order to prevent permanent tissue damage.

The King Cobra, Ophiophagus hannah, also distinguishes itself in this large family of snakes (elapids) by the fact that it feeds almost entirely on other snakes with mice and small birds also falling prey to its venom.

The King Cobra is also unique because of its size - it can reach 5.85m (almost 20 feet) in length, which makes it the longest poisonous snake in the world. The latest discovery of a new species of cobra was made in 2003 when it was identified by London Zoo as part of an illegal shipment of exotic pets.

DNA studies revealed that this new species of snake is similar to the red spitting cobra but has different genes. It seems to originate from an area between Sudan and Egypt and it has been called the 'Nubian Spitting Cobra'.

Although they are highly dangerous when threatened cobras will rarely attack if you keep your distance from them, although the spit can travel very accurately for two meters. Compared to the strike of a rattlesnake, the cobra is rather slow in its attack and besides that, many bites prove to be non-venomous.

Statistics of a study conducted on Malaysian cobra snake victims indicate that only 55% of the bites involved poison release and the same statistics indicate a mortality rate of only 10% for people bitten, since the poisons injected into the blood of the prey destroy the nerves (neurotoxins), which induces respiratory failure approximately half an hour after being bitten, so you have 30 minutes to seek help.

Their colouration varies from light green-grey to black, although juveniles are yellow and black banded.This snake is widespread throughout south-eastern Asia. - 29977

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