The venom of the Brazilian wandering spider causes long-lasting, painful erections, sparking its development into a drug treating erectile dysfunction.
"I had never seen one this big," Debbie Ellwood told Newsweek. "It jumped out and ran across my forearm and hand and then hid behind my stapler."
"It can be utilized in the production of high-end clothing and even in the manufacturing of innovative ballistic vests," study author Junpeng Mi told Newsweek.
"Why do I immediately think of shoes full of spiders," asked one commenter on TikTok.
After being bitten, the boy captured the spider in a glass and went home. Around three hours after, he began to feel bad but soon recovered with anti-venom.
The previously unknown creature does not spin webs like many other spiders but instead actively stalks its prey among the vegetation of the rainforest.
The researchers found that males that had lost one of their legs during development were more likely to become gamma males, at the bottom of the male hierarchy.
The footage left viewers on TikTok stunned with one commenting: "I would have IMMEDIATELY gone to the ER after this."
The spider's unusual behavior makes it much less appealing to some predators, allowing them to hide in plain sight.
"I leapt out of bed in a rather startled state," Geoff Barnes told Newsweek.
"The moment I spotted it and it spotted me, it dove its head into the bowl and started drinking," Brooke Burton told Newsweek.
"She had four legs on one side of her body and none on the other but was still very quick," Jul Smith said.
"You could not get a deadlier spider in your house," said spider hunter Scott Johnson.
"They are very curious, and they want to see what's going on," wildlife handler Garrett Galvin told Newsweek after his video received 24.5 million views.
The woman, a nature lover, was unfazed by the discovery but "others would have freaked out," said her neighbor.
The new species, Euoplos dignitas, can grow to nearly 2 inches long and hides itself in underground burrows on the woodland floor.
Kathryn Rivers told Newsweek she "came out in goosebumps and felt sick" when she spotted the 6 inch-long arachnid.
"I grabbed the nearest thing in the shed, which was a garden hose, and I scooped up the snake and flung it back out to where it had come from," the man said.
This is the second time in five days that a redback spider was reportedly found in a product from the supermarket chain.
Snake catcher Steve Meighan told Newsweek that he almost pressed on the spider instead of the light switch.
Invasive Joro spiders have been found to have specialized silk-making glands that allow them to spin their super-strong webs.
The footage is the first known record of a false widow spider preying on a shrew, a mammal 10 times its size.
"You guys just feel that slight tickle on the back of your neck. It's probably nothing, right?" asked one Reddit user.
"My arachnophobia was so deep I would even have nightmares of spiders crawling on my ceiling," Zurlo told Newsweek.
The footage of the alarmingly large spider crawling along could leave a few suffering from sleepless nights.
"I wondered if I could see them on my own eyelashes, so I plucked a few out and looked at the roots," @gud_morning_dave, who posted the video, told Newsweek.
As over-the-top as the reaction in the latest video may seem, arachnophobia is a very real thing. But can we be born with it?