Black smoker "Shirakaba"
Black smoker "Shirakaba"
Black smoker "Dragon Teeth"
Close up of the vent of black smoker "Pagoda"
Dead chimney
Boundary between young and rather older lava
Ocean Bottom Seismometer
Cavern and collapse structure
Zabuton type short-term heat flow measurement system
Tripod fish
Releasing larvae of bythograeid crab
Dead shells of cleep-sea mussels and snails
Calatheid crab attached with filamentous bacteria