Needle-like sclerites protrude between tentacles to form a formidable-looking ring around the red-colored mouths of bamboo coral polyps.
Needle-like Sclerites
Image courtesy of the NOAA Office of Ocean Exploration and Research, Mountains in the Deep: Exploring the Central Pacific Basin. Download larger version (jpg, 792 KB).
Needle-like sclerites protrude between tentacles to form a formidable-looking ring around the red-colored mouths of bamboo coral polyps.
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