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Phoneutria nigriventer is a species of medically-significant spider in the family Ctenidae, found in the Southern Cone of South America (Brazil, Uruguay, Paraguay, and Argentina). [1] Along with other members of the genus, they are often referred to as Brazilian wandering spiders. [2]
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 January 2025. Genus of spiders Phoneutria Phoneutria nigriventer Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Arthropoda Subphylum: Chelicerata Class: Arachnida Order: Araneae Infraorder: Araneomorphae Family: Ctenidae Genus: Phoneutria Perty, 1833 Type species Phoneutria fera ...
Phoneutria nigriventer, the Brazilian wandering spider (a ctenid spider) is a large brown spider similar to North American wolf spiders in appearance, although somewhat larger. It has a highly toxic venom and is regarded (along with the Australian funnel-web spiders) as among the most dangerous spiders in the world. [6]
Brazilian Wandering spider was voted as the 2007 most vulnerable animal by Guinness World Records. Not located in the U.S., this species of banana spider gives a painful bite but is rarely fatal.
The Brazilian wandering spider has been rated the most venomous spider in the world by the Guinness Book of World Records, and it does have a reputation for being aggressive.
Wandering spiders are known to hunt large prey, for example hylid species Dendropsophus branneri. [3] Despite their notoriety for being dangerous, only a few members of Phoneutria have venom known to be hazardous to humans, but the venoms of this family are poorly known, [4] so all larger ctenids should be treated with caution.
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Brazilian wandering spiders with 9 species, these spiders grow 30–50 mm in length and 150 mm in wingspan, and are characterized by their aggressive behavior, in the 1970s, were responsible for 7,000 hospitalizations, only in Brazil, between 2007 and 2010, 18 deaths from Phoneutria nigriventer were registered, only in Brazil, Phoneutria fera ...