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Ocean Expedition Discovers 120 New Bioluminescent Species in the Deep Sea
Science
Science4 min

Ocean Expedition Discovers 120 New Bioluminescent Species in the Deep Sea

An international research cruise has catalogued over 120 previously unknown deep-sea organisms that produce their own light, reshaping our understanding of ocean ecosystems.

20 février 2026
4 min de lecture
Source: Nature
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A six-month research expedition aboard the vessel Luminous Deep has returned with extraordinary findings: 120 new species of bioluminescent organisms living between 2,000 and 5,000 meters below the ocean surface. The discoveries include a jellyfish that emits pulsing blue-green light in complex patterns and a worm colony that glows red to attract prey.

"We thought we had a reasonable picture of deep-sea bioluminescence, but we were barely scratching the surface," said chief scientist Dr. Aiko Tanaka of the Monterey Bay Aquarium Research Institute. Several of the new species produce novel light-emitting proteins that could have medical and industrial applications.

The discoveries include a jellyfish that emits pulsing blue-green light in complex patterns and a worm colony that glows red to attract prey.

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