Most Poisonous Spider

There are a number of species of spider that are venomous in nature, but, "What is the world's most poisonous spider? Spiders kill their prey by injecting venom or poison into them, and this venom can harm human beings as well. Some spiders are more poisonous than others and as a result, a small amount of their venom can also affect human beings. If a person has been exposed to a high amount of spider venom, there is even a chance of it being a fatal exposure. This makes it necessary to know which is the most poisonous spider on earth.

Most Poisonous Spider
Scientific tests have proven that the most poisonous spider on earth is the Brazilian Wandering Spider. The scientific name for this species is Phoneutria Nigriventer, and they are commonly found in the tropical areas of Central America and South America. The Brazilian Wandering Spider is extremely aggressive in nature and is known to be the biggest cause of spider venom related human deaths in the world. These spiders are also known as banana spiders, as they have been found in many imports of bananas into the United States.

A spider's danger to human beings is measured by the amount of venom that it can inject into the human system, along with a combination of its closeness to human settlements. In both these regards, no spider is more dangerous to human beings than the Brazilian Wandering Spider. There are about 8 different varieties of this species of venomous spider, and all of them are a very real threat to human beings. The most poisonous spider in the world is found in highly populated regions of Brazil and other South American countries.

The most scariest thing about the most poisonous spider in the world is its wandering nature. This means that the species does not stick to the jungles, but crawls around freely, looking for places to feed and hide. The regularity with which these spiders are found in the Brazilian area is simply due to the fact that these spiders can be anywhere. This is another quality that makes them the most poisonous spider to humans.

Toxicity
The presence of a neurotoxin known as PhTx3 is what makes this species the most poisonous spider in the world. If this neurotoxin is injected into the body, in large volume, it can cause a whole host of different problems and complications. A person can suffer from intense pain as a result of the bite, and can also suffer tremendous breathing problems that can ultimately, lead to death by asphyxiation. Loss of control over muscles is also a commonly seen effect of the venom, and there have even been some reported cases of paralysis as a result of a bite by the most poisonous spider in the world. It is said that as much as 0.006 mg of the venom of this spider is sufficient enough to kill a mouse. So, one can imagine what a full-fledged bite from this spider can do to a human being. Another danger of a bite from a Brazilian wandering spider is priapism. This is a condition where a male gets uncontrollable erections for hours at a stretch and this can lead to impotence. Getting immediate spider bite treatment is absolutely imperative, if one is bitten.

Most Poisonous Spider in North America
North America contains 2 species of spiders that are also extremely poisonous and dangerous to human beings. These are the brown recluse spider and the black widow spider. The black widow spider is found in areas where grapes are grown, and the female varieties are the ones that bite. The males are much smaller and harmless, and it is said that the females sometimes even eat the males after mating with them. These spiders are most commonly found in California, and the symptoms of poisoning are similar to those generated by the Brazilian wandering spider.

The brown recluse spider is much smaller, but in a way its venom is more dangerous. Instead of affecting the nerves and muscles, venom of this type of spiders affects the skin and tissues surrounding the area of the bite. In extreme cases, the bite of a brown recluse spider can even lead to amputation. Most people can survive this bite though, but children and people with weak immune systems are more prone to displaying severe symptoms.

The most poisonous spiders in the world can end up killing a person, if the bite is not treated immediately. Avoiding them is the best solution, but this is not possible all the time. It is better to avoid going into dark corners unexpectedly, and it is also advisable to be fully covered while doing so. The ability of identifying spiders and separating them into poisonous and non-poisonous can make living in the areas, where there are chances of humans coming in the contact with them, a little bit easy.