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A black coral branch with white polyps

Description

A black coral branch with white polyps. What is the wispy thread-likematerial and what is its function?

Credit

NOAA Office of Ocean Exploration and Research, 2015 Hohonu Moana

Display Date

20150914T015922Z

Location

Hawaii, Niihau

Collection

Voyage to Inner Space
Ocean Exploration Collection
Modern Expeditions
2015 Hohonu Moana