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The spiders in the genus can grow to have a leg span of 13 to 18 cm (5 to 7 in). Their body length ranges from 17 to 48 mm (43 ⁄ 64 to 1 + 57 ⁄ 64 in). [4] [5] While some other araneomorph spiders have a longer leg span, the largest Phoneutria species have the longest body and the greatest body weight in this group. [6]
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]
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.
Singer Darlyn Morias died days after he was bitten by a potentially-venomous spider
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 ...
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The venoms of the widow spiders, Brazilian wandering spider and Australian funnel-web are neurotoxic. Heart muscle damage is an unusual complication of widow venom that may lead to death. [ 25 ] Pulmonary edema, which is fluid accumulation in the lungs, is a feared and potentially serious but uncommon complication of funnel-web venom. [ 24 ]