we found what we think is a tarrant ua girl.e'll try to accord nate between the two of us to look and see if we can find the tarrantuala and what else is in there. ready to give it a shot? >> let's do it. wow, he's right there. it is a tar anduala. i saw fangs. >> i think it struck at the camera, which is amazing. he did. >> i felt that through the cord. >> i felt it too. the between - whoa. >> it's striking us. i have this vision of him coming out and, like, really fast and me screaming, flailing backwards knocking you over and the spider on my hand or space. >> there's a lot of spiders in the amazon, why do you think there is so much left to be discovered? >> the scientific community has and given arak noids as much attention as it has to insects. here in the amazon, diversity is high. compared to temperate regions, this area has not received the attention needed to adequately survey the extent. >> on the last day in the amazon, the investigator persistence paid off. we are amazed to witness the emerge of a spider link in the