This Is the Deepest Fish Ever Discovered in the Oceans

by Owen James Burke

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Above: What appears to be a snailfish, five miles beneath the waves in the Mariana Trench. Screenshot from footage below

During a research expedition through the Mariana Trench, scientists filmed a fish, which appears to be a new species, swimming five miles (8,145 meters) deep into the Hadal Zone (5,000 – 10,600 meters), and scientists aren’t quite sure what to call it:

“It is unbelievably fragile, and when it swims, it looks like it has wet tissue paper floating behind it. . . And it has a weird snout – it looks like a cartoon dog snout,” said Dr. Alan Jamieson, of Oceanlab at the University of Aberdeen.

Marine biologists are led to believe that the fish, which looks more like a ghostly, anorexic codfish to me, is a “snailfish,” as they encountered many of the like along the way down, but none so deep as this, 500 meters beyond the previous record held by another species of snailfish (Pseudoliparis amblystomopsis) also found in the Pacific Ocean, but in the Japan Trench.

Watch the video footage of the discovery:


Read more about the expedition, and other newly discovered species on the BBC — OJB

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