This sea pen (Pennatulacea) was imaged at around 1,519 m depth. The white dots are highly modified polyps, often without tentacles, called siphonozooids that funnel water through the organism. Image courtesy of the NOAA Office of Ocean Exploration and Research, Windows to the Deep 2018.
This week: Check out DOSI’s plans for UNOC, a new review on the environmental impacts of deep-sea mining, plus a new DOSI podcast coming soon!
CLICK FOR YOUR DEEP-SEA ROUND-UP – 29 May 2025
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