What spider has the most deadly bite?

Answer 1

What's the Most Venomous Spider? The Brazilian Wandering Spider (Phoneutria nigriventer) has such a strong venom that only 0.006mg will kill a mouse.

What are the Most Deadly Spiders?
Of the 35,000 species of Spiders, only 27 species are known to have caused human fatalities. In the USA their is the Brown Recluse (Loxosceles reclusa) and the Black Widow (Latrodectus hesperus). The venom of a Black Widow spider is 15 times as toxic as the venom of a prairie rattlesnake. The bite from a black widow spider is not automatically fatal. In fact, less than 1% of all people bitten by this spider run the risk of dying, and most of them are saved with the use of antivenin.

Answer 2

The Gracial Olibia has the deadliest bite and is almost extinct. It lives in a specialised protection agency in America and was hunted back in the 1700-1900 for its special venim inside its brain called Breninak which was worth millions of pounds/dollars ect.

Its bite kills in seconds as it releases its venim when it bites its predator. So far the species have killed roughly 208 people most of which are Mexican.

The Gracial Olibia is being protected and examined as its species count is very low and there is meant to be about one-hundred left in the world.

Answer 3

The Brown Recluse is America's most venomous spider. The Black Widow is the obvious second. Both can be fatal to humans if bites are not treated.