Biggest Spider

Can a spider bite from the biggest spider poison a human being? Big spiders look scary, but are they also poisonous? Here are two of the largest recorded spiders in recent history.

Poisonous and Nonpoisonous Spiders

Poisonous and nonpoisonous spiders are found worldwide (except in Antarctica). There are about 43,000 species of spiders and taxonomists have recorded about 109 families of spiders. There are about 20,000 species of spiders in America and only about 60 of these species are capable of biting a human being.