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Top Ten Dangerous Spiders in the World

Armed ​Spiders​
Armed ​Spiders​

Armed with huge fangs and a venom that is similar to that of the deadly Sydney funnel-web spider this spider is every bit as dangerous as it looks. Whilst the mouse spider is potentially dangerous it is far less aggressive than the Sydney funnel-web plus it often gives ‘dry bites’, i.e. without venom.

Widow ​Spiders​
Widow ​Spiders​

The brown recluse spider is one of the most dangerous spiders in the United States. Its venom destroys the walls of blood vessels near the site of the bite, sometimes causing a large skin ulcer.

image: baklol.com
Brown Widow​
Brown Widow​

The creepy-crawly world of spiders recently got a new member: Aphonopelma johnnycashi, a tarantula species named for the late country singer Johnny Cash. The spider is abundant near Folsom State Prison in California, where Cash recorded a famous live album in 1968.

source: cbsnews.com
image: cnn.com
Recluse ​Spider​
Recluse ​Spider​

In Spanish, it (and other South American recluse spiders) is known as araña de rincon, or "corner spider"; in Portuguese, as aranha-marrom or "brown spider." This spider is considered by many to be the most dangerous of the Recluse Spiders, and its bite is known to frequently result in severe systemic reactions, including death.

Six-Eyed Sand ​Spider​
Six-Eyed Sand ​Spider​

Six Eyed Sand Spider Diet. The Six Eyed Sand Spider does not roam in search of prey, it simply lies in wait for an insect or scorpion to pass by. When one does, it seizes the prey with its front legs, kills it with venom and eats it. The Six Eyed Sand Spiders do not need to feed very often, an adult Six Eyed Sand Spider can live without food or water for a very long time.

Chilean ​Recluse Spider​
Chilean ​Recluse Spider​

Chilean recluse spider Among the recluse spiders, this one is often considered to be the most dangerous. Bite victims may suffer symptoms ranging from mild skin irritation to severe premature death of skin or other cells.

source: cbsnews.com
Hadronyche ​Formidabilis​
Hadronyche ​Formidabilis​

Hadronyche formidabilis, the northern tree funnel-web spider, is a highly venomous mygalomorph spider found in Queensland and New South Wales. It is also known as the Northern Rivers funnel-web spider or northern funnelweb spider.

image: quazoo.com
Sydney ​Funnel-web Spider​
Sydney ​Funnel-web Spider​

The Sydney funnel web spider (Atrax robustus) is widely regarded as the most dangerous spider in Australia, if not the World. It is actually responsible for many less bites than the also notorious redback spider.

Wolf Spider​
Wolf Spider​

On the other hand, the wolf spider is considered to be one of the most dangerous spiders in the world! What the Wolf Spider Looks Like The wolf spider can range from 1/2 inch to two inches long.

source: thespruce.com
Wandering ​Spider​
Wandering ​Spider​

The Brazilian Wandering Spider is a large brown spider similar to North American Wolf Spiders, but bigger and possessing a more toxic venom. It has the most neurologically active venom of all spiders, and is regarded as the most dangerous spider in the world. Brazilian Wandering Spiders are active hunters and travel a lot.

Redback ​Spider​
Redback ​Spider​

The Redback Spider is NOT a Black Widow Spider; they are two (2) different widow spiders. They have very similar habits and comparable neurotoxic venom. They look almost identical, except for the Redback’s dorsal stripe, but they are NOT the same spider.

image: lolwot.com
Australian ​Funnel-web Spider​
Australian ​Funnel-web Spider​

The funnel web spider is native to Australia and it's regarded as the world's most dangerous arachnid in the world because it can kill in just 15 minutes. There are around 30 species of funnel spider and just one bite can be fatal to humans, between 1927 and 1981 there are thought to have been 15 deaths from bites.

source: thesun.co.uk
image: uniprot.org