Deadliest Spiders In The World 

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01 November 2024

Most spiders are harmless to humans, and some even provide beneficial services such as pest control and silk production


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However, there are also some spiders that pose a serious threat to humans. These spiders have venom that can cause severe pain, tissue damage, and even death in some cases


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Here are 8 of the deadliest spiders in the world, based on their venom potency, aggressiveness, distribution, and frequency of human encounters


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Sydney funnel-web spider is known as “the world's deadliest spider”. Its venom contains a powerful neurotoxin that can cause severe pain, muscle spasms and breathing difficulties


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The Brazilian Wandering spider, also known as the banana spider, is very venomous, with a cocktail of toxins that can cause intense pain, inflammation and irregular heartbeat


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The redback spider is one of the most notoriously dangerous spiders. Its venom affects the nervous system and can cause intense pain, severe sweating and vomiting


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The brown recluse spider is small and non-aggressive. Its venom contains a cytotoxin that can cause necrosis, or tissue death, at the site of the bite


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Chilean recluse is not only bigger but also carries a much more potent venom. Also having necrotic properties, its venom can lead to blood poisoning and organ failure 


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The Black Widow spider is found on every continent of the world, except Antarctica. Its venom contains a potent neurotoxin that in some cases can cause paralysis and death


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Six-Eyed sand spider has an extremely potent venom that can cause haemorrhaging, blood clotting, tissue damage, and death


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Yellow Sac spider is venomous to humans and is often found indoors. In rare cases, its venom can cause necrosis, or tissue death, at the site of the bite


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