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Scientists Identify Golden Orb as Sea Anemone Skin in Gulf of Alaska

Whole-genome sequencing showed the orb was tissue from Relicanthus daphneae, a deep-sea anemone with tentacles that can reach 6 feet.

  • On Wednesday, National Oceanic and Atmospheric Administration scientists identified a mysterious 'golden orb' discovered in 2023 as the base of a giant sea anemone, Relicanthus daphneae, solving a deep-sea mystery.
  • Researchers discovered the shiny object during the 2023 Seascape Alaska 5 expedition, spotting the roughly 4-inch mass stuck to a rock around 3,250 meters below the Gulf of Alaska's surface.
  • Whole-Genome sequencing confirmed the tissue was 'genetically almost identical' to a Relicanthus daphneae specimen from 2021, after initial DNA testing proved inconclusive due to potential contamination.
  • The orb consists of 'fibrous material' of anemone skin that 'seems to have been left behind,' NOAA officials said, though scientists remain uncertain whether the animal died or relocated.
  • 'So often in deep ocean exploration, we find these captivating mysteries,' said NOAA Ocean Exploration acting director William Mowitt, emphasizing how advanced DNA techniques unlock secrets of the deep.
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The Laconia Daily SunThe Laconia Daily Sun
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Mystery of ‘golden orb’ found at bottom of ocean finally solved

Nearly three years after it was found the mysterious of what it is has been figured out.

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Western Morning News broke the news in Somerset, United Kingdom on Wednesday, April 22, 2026.
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