Brazilian wandering spiders are rather large spiders that resemble the Tarantula and measure 4 to 5 inches in length. They are found in Central and South America.
The Brazilian wandering spider which also known as the Banana spider appears in the Guinness World Records as the world’s most venomous spider. A single bite from these aggressive spiders can kill a person in a little as 2 hours with children being at higher risk. Fortunately deaths are very rare as very effective anti-venom is available.
Their venom is been studied for the possible treatment of erectile dysfunction as men that have been bitten the Brazilian wandering spider have experienced erections for up to 4 hours!