Spanish researchers recently shared images of a deep-sea anglerfish swimming horizontally in shallow waters, capturing a rare moment with a fish not often seen by humans.

The scary-looking fish is usually to be found more than a mile below the surface, where little to no light penetrates.

The marine photographer who captured the footage said it could be the world's first recorded sighting of a black seadevil ...

This is only the second time the species has been recorded while alive. “I thought it was A.I.,” says fish biologist Kory Evans.

A very rare fish ... the few light sources in the depths of the ocean. "To date, records have mostly consisted of larvae, dead adults, or specimens spotted by submarines during deep-sea scientific ...