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Deep Sea Vent and Fauna
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Voyage
Ocean Exploration
Life In The Deep Sea
Deep Sea Ven and Cold Seep Fauna
Ocean Exploration
Pacific Ring of Fire Expedition. At East Diamante volcano (195 m water depth),tropical fish swim above boulders covered with bacterial mat, which indicatesthe presence of hydrothermal venting. These fish live in thereef community above and are about
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Pacific Ring of Fire Expedition. Close-up of a vent barnacle that we'recurrently trying to identify. The furry things are their little legs(cirri) that capture food particles. The density of barnacles was so extremehere that there was little room fo
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Pacific Ring of Fire Expedition. Chemosynthetic microbial mats coverred algae and coral (which are photosynthetic). Hydrothermal vent and coralreef communities are overlapping here at 190 meters, something none of thescientists on the Submarine Ring
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Pacific Ring of Fire Expedition. A close up view of tubewormsat a seafloor hot spring on Daikoku volcano.These animals only live at hydrothermal vents.
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Pacific Ring of Fire Expedition. Photosynthetic green and red algae is growingon the same rocks as chemosynthetic bacterial mat near the top of East Diamantevolcano. Usually, these two life forms are not found together because onedepends on the sun
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Pacific Ring of Fire Expedition. Fluffy white bacterial mat covers yellowcorals and the surrounding rocks near the shallow summit ofEast Diamante volcano. The corals are dependent on sunlight whereasthe mat uses the chemical energy from hydrothermal
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Pacific Ring of Fire Expedition. Tropical fish swim by rocks coatedwith white bacterial mat . Unlike the fish, the bacterial mat is dependent onthe chemical energy provided by seafloor hot springsventing near the top of East Diamante volcano.
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Pacific Ring of Fire Expedition. Thick orange bacterial mat found near thesummit of Northwest Eifuku volcano grow where warm hydrothermal vent fluidsseep out of the seamount. The orange color reflects the factthat iron is coming out in the vent flui
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Pacific Ring of Fire Expedition. Thick orange bacterial mat found near thesummit of Northwest Eifuku volcano grow where warm hydrothermal vent fluidsseep out of the seamount. The orange color reflects the factthat iron is coming out in the vent flui
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.jpg
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Pacific Ring of Fire Expedition. Thick orange bacterial mat found near thesummit of Northwest Eifuku volcano grow where warm hydrothermal vent fluidsseep out of the seamount. The orange color reflects the factthat iron is coming out in the vent flui
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.jpg
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Pacific Ring of Fire Expedition. A dense bed of hydrothermal musselscovers the slope of Northwest Eifuku volcano near a seafloor hot springcalled Champagne vent . Other vent animals living amongthe mussels include shrimp, limpets, and Galatheid crab
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Pacific Ring of Fire Expedition. A dense bed of hydrothermal musselscovers the slope of Northwest Eifuku volcano near a seafloor hot springcalled Champagne vent . Other vent animals living amongthe mussels include shrimp, limpets, and Galatheid crab
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.jpg
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Pacific Ring of Fire Expedition. A dense bed of hydrothermal musselscovers the slope of Northwest Eifuku volcano near a seafloor hot springcalled Champagne vent . Other vent animals living amongthe mussels include shrimp, limpets, and Galatheid crab
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.jpg
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Pacific Ring of Fire Expedition. A dense bed of hydrothermal musselscovers the slope of Northwest Eifuku volcano near a seafloor hot springcalled Champagne vent . Other vent animals living amongthe mussels include shrimp, limpets, and Galatheid crab
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Pacific Ring of Fire Expedition. Conical limpets (2cm, 0.75 in) coverthe rocks surfaces at East Diamante. The white dots on the rocks andshells are limpet egg cases. An arc crab is investigating the scene.
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Pacific Ring of Fire Expedition. Large amounts of biomass feeding on whiteflocculent mats on periphery of white smokers include vent shrimpand mussels showing that microorganisms are channeling energy upthe food chain.
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Pacific Ring of Fire Expedition. In places at NW Eifuku, mussels are so densethat they obscure the bottom. [The mussels are ~18 cm (7 in) long.The white galatheid crabs are ~6 cm (2.5 in) long.]
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Pacific Ring of Fire Expedition. The vent mussel Bathymodiolus: wateris drawn through the siphons at the open end to the left; the footextends on the right and attaches the mussel to the rock withbyssal threads. [The mussels are up to 18 cm (7in) lo
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Pacific Ring of Fire Expedition. Limpets were seen grazing near the seepingfluids. They tend to form small clusters. This animal isprobably an undescribed species related to a limpet that occurs on seamountsoff Japan. The limpet is > ~0.5 inches (~
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Pacific Ring of Fire Expedition. Shrimp and crabs living near the summitof Northwest Rota-1 volcano graze bacterial mats on the rocksat hydrothermal vents. They also have to watch out forvolcanic eruptions at this active submarine volcano.
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