This pair of unusual urchins with soft spines were found at close to 2,290 meters (7,513 feet) depth.
Pair of Urchins
Image courtesy of the NOAA Office of Ocean Exploration and Research, Deep-Sea Symphony: Exploring the Musicians Seamounts. Download larger version (jpg, 1.9 MB).

This pair of unusual urchins with soft spines were found at close to 2,290 meters (7,513 feet) depth.

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