Science & Tech

Brazilian wandering spiders: Bites & other facts

Brazilian wandering spiders, also called armed spiders or banana spiders, belong to the genus Phoneutria, which means “murderess” in Greek. And it’s no wonder why — it’s one of the most venomous spiders on Earth. Its bite, which delivers neurotoxic venom, can be deadly to humans, especially children, although antivenom makes death unlikely.

Guinness World Records has previously named the Brazilian wandering spider the world’s most venomous spider multiple times (though the current record-holder is the Sydney funnel-web spider, Atrax robustus, according to Guinness). But, as the late Jo-Anne Sewlal, an arachnologist at the University of the West Indies in Trinidad and Tobago, pointed out, “Classifying an animal as deadly is controversial,” as the amount of damage depends on the amount of venom injected. 

Classification/taxonomy

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