Pacific Ring of Fire Expedition. Tropical fish swim by rocks coated with white bacterial mat . Unlike the fish, the bacterial mat is dependent on the chemical energy provided by seafloor hot springs venting near the top of East Diamante volcano.

Image ID: expl0056, 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

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