A new species of snail lives in one of the deepest caves in the World, where scientists recently discovered it. Living thousands of feet in the darkness below, it’s species has completely adapted to living in the dark, which explains its translucent color and blindness.

What’s great about this snail is the mystery that surrounds it. It’s so slow, that scientists have no idea what it could possibly eat or reproduce, and they’ve only found one specimen as of 2013. Know more.