A team of marine biologists announced the discovery of a previously unknown deep-sea creature last Tuesday.
The animal, which resembles a bioluminescent jellyfish, was spotted during a deep-sea expedition in the Pacific Ocean.
It was found at a depth of nearly 3,000 metres, far beyond the reach of sunlight.
Researchers used a remotely operated vehicle (ROV) to film the creature.
The footage shows a soft, gelatinous body with long, trailing tentacles that emit a faint blue glow.
Scientists believe it may represent an entirely new genus.
The discovery highlights how little we still know about the deep ocean.
Less than 20 percent of the ocean floor has been mapped in detail.
The team plans to return next year to collect physical samples for DNA analysis.