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Very Spiny Urchin

This urchin with very long spines was seen while exploring the crater on the southeast side of Eifuku Seamount at a depth of ~500 meters.

Video courtesy of the NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas.

Watch larger version.

 

Related Links

2016 Deepwater Exploration of the Marianas

NOAA Ship Okeanos Explorer