This pelagic holothurian is typically seen in the water column, but we saw several on the seafloor, seemingly snagged on the coral rubble.
Pelagic Holothurian
Image courtesy of the NOAA Office of Ocean Exploration and Research, Mountains in the Deep: Exploring the Central Pacific Basin. Download larger version (jpg, 1.5 MB).

This pelagic holothurian is typically seen in the water column, but we saw several on the seafloor, seemingly snagged on the coral rubble.

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