A sea cucumber (Holothuroidea, Psychropotes sp.) seen at 2,690 meters depth in Maro Crater during Leg 2 of the Hohonu Moana expedition. Sea cucumbers are “deposit feeders,” animals that ingest mud and sand grains to extract the organic material that has accumulated on the bottom after sinking through the water column.
Sea Cucumber
Image courtesy of the NOAA Office of Ocean Exploration and Research, 2015 Hohonu Moana. Download larger version (jpg, 1.8 MB).

A sea cucumber (Holothuroidea, Psychropotes sp.) seen at 2,690 meters depth in Maro Crater during Leg 2 of the Hohonu Moana expedition. Sea cucumbers are “deposit feeders,” animals that ingest mud and sand grains to extract the organic material that has accumulated on the bottom after sinking through the water column.

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