Other formats available (will launch in separate window):

Quicktime, 160x120, 1.4 Mb
Quicktime, 320x240, 2.2 Mb
Windows Media, 160x120, 1.1 Mb
Windows Media, 320x240, 2.3 Mb


You may need to download: Quicktime exit icon | Windows Media exit icon


A ROPOS transect made from 200 up to 165 m depth on the central cone at East Diamante volcano found a remarkable zone where chemosynthesis and photosynthesis overlap. Here, lifeforms dependent on chemical energy, usually found in the deep ocean, are seen in the same area as creatures dependent on sunlight.

Related Links

Submarine Ring of Fire 2004

Submarine Ring of Fire 2004: April 8 Log

NOAA Ocean Explorer Gallery