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During the fourth dive of the expedition, scientists explored a headwall scarp on the north side of Pioneer Bank, which included a steep pinnacle with a vertical relief of ~400 meters. On the flanks of the pinnacle, the density of animals increased substantially and included patches of close to 100 percent benthic cover – illustrating that the deep sea is in fact full of life.

Video courtesy of the NOAA Office of Ocean Exploration and Research, 2016 Hohonu Moana.

Download larger version (79 Mb).


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Daily Update: March 4

2016 Hohonu Moana: Exploring Deep Waters off Hawai’i

NOAA Ship Okeanos Explorer