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New species of terrifying giant spider discovered in Mexican cave (PHOTOS)

New species of terrifying giant spider discovered in Mexican cave (PHOTOS)
An international team of scientists has discovered a new species of wandering spider in the caves of Mexico.

But don’t panic – the cave-dweller discovered in the Baja California region is relatively harmless to humans.

"In all my experience over the years collecting spiders on the peninsula, I had never seen a spider this large," Maria Luisa Jimenez, a spider expert and researcher at the Centro de Investigaciones Biológicas del Noroeste, Mexico said in a statement, as cited by Live Science.

The Sierra Cacachilas chases its prey down in the dark, a scary prospect for any spelunkers planning a trip to Mexico.

The dark brown spider’s eight eyes are arranged in three rows with two on top and two parallel rows of three below, a well-known feature of the Ctenidae family of arachnids. While it appears that the spider has two large, crimson fangs, these are merely imitations known as condyles.

READ MORE: ‘If spiders make you squeamish, don't press play’: Man finds freaky arachnid nest (VIDEO)

The spiders also have a signature, dirty yellow opistosomas (a spider’s equivalent of a butt). Of the specimens studied so far, the arachnid’s body length can reach up to an inch (27mm) while the entire span of the spider is about the size of a softball (3.82 inches) or roughly 1.5 times the size of the average tennis ball.

While its Brazilian cousin (Phoneutria fera) allegedly induces painful, hours-long erections in humans, the Mexican spider is harmless to us.

Brazilian wandering spider

"I got bit while handling a live specimen of Califorctenus cacachilensis and I'm still alive," Jim Berrian, a field entomologist at the San Diego Natural History Museum said in a statement.

"We haven't analyzed the toxicity of the venom...most wandering spiders are not as dangerous as the Brazilian wandering spider,” Berrian added.