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![Pacific Ring of Fire Expedition expl0019.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_expl0019.jpg?itok=27jq3GYN)
Description
Pacific Ring of Fire Expedition. At East Diamante volcano (190 mwater depth), chemosynthetic and photosynthetic communities overlap. Patchesof encrusting red and green algae lie beneath filamentous bacterial mats onrock surfaces. The small white corals on the rocksare about 5 cm (2 in) long. (Image credit: Pacific Ring of Fire 2004 Expedition. NOAA Office of Ocean Exploration; Dr. Bob Embley, NOAA PMEL, Chief Scientist)