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![A black coral branch with white polyps expn5300.jpg A black coral branch with white polyps](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_expn5300.jpg?itok=HJftZgMQ)
Description
A black coral branch with white polyps. What is the wispy thread-likematerial and what is its function? (Image credit: NOAA Office of Ocean Exploration and Research, 2015 Hohonu Moana)
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