In what may be the world's first-ever recorded sighting, a black seadevil — anglerfish known for living thousands of feet beneath the ocean's surface where the light no longer touches — was caught on camera swimming close to the ocean's surface.

Marine researchers were out looking sharks off the Canary Islands when they found something quite unexpected -- a humpback angler fish known as a "black sea monster." It was the only known sighting of the deep-sea fish on the surface of the ocean.