This holothurian, possibly from the family Synallactidae, was found on Dive 04 of the expedition at approximately 1,680 meters (5,510 feet). Here you can clearly see its mouth, a rare sighting as these are usually on the seafloor sucking up sediment.
Mouth Exposed
Image courtesy of the NOAA Office of Ocean Exploration and Research, Mountains in the Deep: Exploring the Central Pacific Basin. Download larger version (jpg, 1.7 MB).

This holothurian was found on Dive 04 of the expedition at approximately 1,680 meters.

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