Dive 16: Hadal Holothurians: The Wizard
Video courtesy of the NOAA Office of Ocean Exploration and Research, Discovering the Deep: Exploring Remote Pacific MPAs. Download (mp4, 19.4 MB)

This "monster" of a sea cucumber, or holothurian, was over 40 centimeters (15.75 inches) long! This species, Psychropotes, has a distinct sail over its posterior end, the function of which isn't entirely clear.

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