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![Pacific Ring of Fire Expedition expl0043.jpg Pacific Ring of Fire Expedition](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_expl0043.jpg?itok=mADjTbba)
Description
Pacific Ring of Fire Expedition. Stalked crinoid (~ 5 inches across, ~13 cm)on the caldera seafloor at West Rota volcano. Crinoids are suspensionfeeders, using their crown, which is covered withsticky pinnules, to capture zooplankton. (Image credit: Pacific Ring of Fire 2004 Expedition. NOAA Office of Ocean Exploration; Dr. Bob Embley, NOAA PMEL, Chief Scientist)