Common Cobra (Naja naja)
-
Asian Cobra, Indian Cobra, Spectacled
Cobra
Cobras are one of the most beautiful and striking species
of Poisonous
Snakes in the World. Belonging to the Elapidae
Family of snakes which includes Cobras, Kraits and Sea
Snakes, there are over 270 species of cobras ranging
throughout the Asian and African continents. One of the
most poisonous, revered and even worshipped snake families
in the world, Cobras are highly venomous and considered
very dangerous snakes. Efficient hunters, quite capable
of protecting themselves, Cobras deliver significant amounts
of deadly Neurotoxic venom resulting
in necrosis and respiratory collapse. This potent, fast
acting venom can result in human fatality in as little
as 30-60 minutes from time of envenomation, especially
in children due to their low body weight. CLICK HERE
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Common Cobra
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Snakes in the Naja family
are clever in venom delivery. Fortunately, many strikes are
delivered as "dry bites" with
no envenomation. Spitting
Cobras are known to have the nasty habit of spitting
venom, see Pictures
of Spitting Cobras. It is easy to recognize the Cobra's characterizing
threat posture when they are about to attack. Cobras extend up
to half of their body in a vertical upward position and "hood-out" right
before striking with bite or spray. Spitting Cobras usually spray
out twin jets of venom from its Fixed
Fangs aiming for the victim's eyes with the pin-point accuracy
of a skilled bow archer or trained marksman. This is a resourceful
adaptation to immobilize the victim, effective from a distance,
without the snake having to make direct fang contact. Like the
famous King
Cobra, the largest venomous snake in the world with
specimens known to reach over 18 ft in length, Common Cobras
are also very capable of spitting venom.
Medical facilities have a hard time
keeping accurate statistics on Cobra bites because villagers
seek the help of the local "Witch
Doctor" or "Medicine Man" often before seeking
professional medical help. Considered a big mistake in this modern
age, it is this tradition that often delays a rapid professional
medical response. This factor alone significantly increases the
human mortality rate for Cobra envenomation with over 10,000
Cobra snake
bites recorded in India alone each year. Almost
immediately after envenomation, the victim may react with sudden
convulsions, drowsiness, headache, limb paralysis, loss of consciousness,
nausea, vomiting, intense abdominal pain and excruciating pain
around the bite wound. Increased blood pressure and cardiac output
is common but by far the greatest danger is respiratory failure.
Fang marks may be deep puncture wounds or evidenced only by a
series of small lacerations. Cobras are very capable of multiple
snake bite strikes from a single snake, or not uncommon with
Cobra strike encounters, envenomation from multiple snakes even
for those skilled in Wilderness
Survival.
Antivenom treatment
is the only way to counteract the effects of the Cobra's venom.
Scientists have found the Cobra venom so toxic even if only
1/3 of the receptor sites on a human's diaphragm have been
blocked by venom, the victim will cease breathing. Administering
morphine for pain is usually withheld because it is known to
suppress respiratory functions. Actually, the first snake Antivenom
discovered in 1895 by Albert Calmette, was born due to the
significant number of fatalities resulting from the deadly
Indian Naja species of Cobra. Cobras are synonymous with power
and speed within our modern day culture and there are many
games & sporting good lines named after them, including
GI Joe Action figures, a vintage Ford Mustang, Cobra Golf Clubs
and Cobra Kayaks and even the U.S. Cobra military helicopter.
Cobras, long time a favorite of snake
charmers, are indeed mysterious, beautiful creatures rising
and mesmerizing the beholder with a hypnotic swaying motion.
Cobras are thought to be one of the most intelligent snakes
responding well to visual cues and these charmers specialize
in getting the Cobra to rise up and "hood-out" to
please the tourists and gathering crowds. Unfortunately, many
Cobras often have their fangs extracted or the venomous sacs
removed shortening their life span due to mouth rot.
This Cobra species, native to Asia, is also
referred to as the Common Cobra, Asian Cobra, Indian Cobra, or
Spectacled Cobra (due to the eyeglass shaped pattern on its skin).
Locally the Common Cobra is also known as Cobra-de-Capello, named
for King Covercapal the Snake God who was converted to Buddhism.
This large, highly venomous snake ranges throughout the rainforest,
rice fields, and cultivated lands of India, Central Asia and
Southeast Asia feeds primarily on rodents, lizards and frogs.
The Common Cobra has enemies including the Mongoose and
many of the larger birds of prey (Raptors)
but also among its own Naja species, especially the
King Cobra an "Ophidian" known to feed almost exclusively
on other snakes, including the Common Cobra.
Common Cobras are oviparous, laying a large
number of eggs, sometimes as many as 40, but usually between
12 to 20 eggs in the hollows of trees, termite mounds or into
tunnelled out nests. The female Cobra diligently guards her nest only
leaving to feed. Baby Cobras hatch out from their egg nest, deadly
from birth, within 50-60 days and have their first molt or skin
shed within 2-11 days. Cobras raised by Captive
Breeders are often finicky eaters and must be tricked
into eating snake food such as "Pinkies" (frozen baby
white mice) scented with lizards or frogs.
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Common
Cobra Scientific Data >