The mystery mollusk is the first nudibranch known to live in the deep water ... in the deep sea, particularly below 2,000 meters. For there to be a relatively large, unique, and glowing animal ...

There are so many dinoflagellates in the sea that when they all light up at once ... it brightens the whole surface of the water. We do not notice that the glow is really made up of millions of quick ...

You can actually wade into the water and watch the glow swirl around ... give you a front-row seat as fishermen pull glowing nets from the sea, creating a surreal spectacle against the dark ...