Pacific Ring of Fire Expedition. At East Diamante volcano (190 m water depth), chemosynthetic and photosynthetic communities overlap. Patches of encrusting red and green algae lie beneath filamentous bacterial mats on rock surfaces. The small white corals on the rocks are about 5 cm (2 in) long.

Image ID: expl0019, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Location: Mariana Arc region, Western Pacific Ocean
Photo Date: 2004 April
Credit: Pacific Ring of Fire 2004 Expedition. NOAA Office of Ocean Exploration; Dr. Bob Embley, NOAA PMEL, Chief Scientist

Category: Ocean exploration/

• High Resolution Photo Available