Found at a depth of 2,130 m within Papahānaumokuākea Marine National Monument, this is the largest known sponge in the world, reaching 7 m long and 2.1 m wide! Image courtesy of NOAA Ocean Exploration.
This week: Galápagos Hydrothermal Vents named one the world’s top geological heritage sites! Plus, all the latest deep-sea research & opportunities
CLICK FOR YOUR DEEP-SEA ROUND-UP – 12 November 2026
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