Uploaded July 2019 | Updated September 2026, 4 hours ago

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During the dive on a site dubbed 'Twin Peaks,' scientists observed fauna ranging from swimming sea cucumbers, carnivorous sponges, and acorn worms to several long-legged isopods, hermit crabs with commensal anemones, pregnant mysid shrimp, many stalked sponges, several deep-sea lizard fish (Bathysaurus cf molis), and a shrimp with unique adaptations that was unknown to our science team.

Video courtesy of the NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas.
oceanexplorer.noaa.gov/okeanos/explorations/ex1605/dailyupdates/media/video/0630-mudmonsters/0630-mudmonsters.html