Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Outposts of life in hydrothermally altered zone with iron-oxide staining.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Anemones, a sea-pen, perhaps small corals, and a lone snail in an iron-oxide stained hydrothermally altered area. Hydrothermal fluids covering the area give a hazy view of the seafloor.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Sea pens and small corals in an iron-oxide stained hydrothermal area.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Sea pens and small corals in an iron-oxide stained hydrothermal area.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Sea pens and small corals in a hydrothermal area .

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Stalked crinoids on iron-oxide stained rocks appearing to be in a hazy fog caused by hydrothermal fluids.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Stalked crinoids in an area subjected to hydrothermal alteration. Find the squat lobsters in the high resolution view.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Stalked crinoids in an area subjected to hydrothermal alteration. Large fish swimming by.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Stalked crinoids on a volcanic rock looking like palm trees on a desert island.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Small corals on seafloor and large whip corals. Squat lobsters hide in the volcanic rocks in this area.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. A fog-like effusion of hydrothermal fluids obscures the undersea landscape giving virtually zero visibility.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. A stalked crinoids comes into view in the fog-like shrouded landscape caused by hydrothermal fluids mixing with the overlying oceanic waters.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. A thin arrow-like fish is seen in the hazy waters caused by mineral-laden hydrothermal fluids being emitted from hydrothermal springs.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Thin arrow-like fish swimming through the hazy waters caused by mineral-laden hydrothermal fluids being emitted from hydrothermal springs.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. A school of minnows is observed swimming through the mineral-laden hydrothermal fluids being emitted from hydrothermal springs.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. A school of minnows, what appear to be small squid, and one larger fish swimming through the mineral-laden hydrothermal fluids being emitted from hydrothermal springs.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Minnows and very fast-moving fish or perhaps squid swimming through the mineral-laden hydrothermal fluids being emitted from hydrothermal springs.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. A profusion of minnows and larger fish.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Small globules of sulfur cooling from hydrothermal fluids and settling to the seafloor. Reminiscent of a view of suns and galaxies far away.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Hydrothermal venting with accompanying release of carbon dioxide bubbles

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Carbon dioxide bubbles and sulfur-impregnated hydrothermal fluids emitted from hydrothermal vent area.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Sulfur impregnated fluids, carbon dioxide and rock being explosively emitted from a volcanic vent.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Manipulator arm placing sampling tube

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Brown shrimp jumping above the seafloor.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Brownish-red shrimp

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Shrimp on both sides of demarcation line between types of sediment

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Shrimp on white sediment covered area

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Black and white banding in sediment area relativel devoid of life

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit. Manipulator arm grabbing sulfur covered rock sample

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.

Ring of Fire 2006 Expedition. East Diamante Volcano.

Ring of Fire 2006 Expedition. East Diamante Volcano.

Ring of Fire 2006 Expedition. East Diamante Volcano.

Ring of Fire 2006 Expedition. East Diamante Volcano.

Ring of Fire 2006 Expedition. East Diamante Volcano.

Ring of Fire 2006 Expedition. East Diamante Volcano.

Ring of Fire 2006 Expedition. East Diamante Volcano.

Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.