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July 12, 2021: Urchin

During the 2016 Deepwater Exploration of the Marianas expedition, we encountered this urchin with very long spines while exploring on the southeast side of Eifuku Seamount at a depth of approximately 500 meters (1,640 feet).

Image courtesy of NOAA Ocean Exploration, 2016 Deepwater Exploration of the Marianas. Download larger version (jpg, 1.0 MB).

During the 2016 Deepwater Exploration of the Marianas expedition, we encountered this urchin with very long spines while exploring on the southeast side of Eifuku Seamount at a depth of approximately 500 meters (1,640 feet). Check out a video of the “very spiny urchin.”