The orifice at the base of the hydrothermal chimney called Mushroom is marked by a strong jet of high temperature hydrothermal fluid. Sulfide worms, scale worms and limpets are bathed in a mixture of the high temperature fluid and seawater. Credit: UW/NSF-OOI/WHOI, V18.
This coral is not rigid, but is soft -it does not produce a calcium carbonate skeleton. The soft coral is at Southern Hydrate Ridge and the Pinnacle at depths around 775 m deep.
Neptune Canada’s guide included it in the “sea anemone” category because of similarity, but it belongs to another order: Corallimorpharia. This Corallimorph anemone was spotted on the seafloor at Southern Hydrate Ridge at a depth of 774 m.
The camera was reinstalled in the ASHES hydrothermal field during Leg 2 of the Cabled Array OOI-NSF VISIONS17 cruise. The structure is ~ 3.5 m tall and covered in tube worms, limpets, scaleworms and palmworms. This camera has a brush on it so that it can clean its ‘face’ of biofouling. Credit: UW/OOI-NSF/WHOI; V17.
A shot of the newly installed HD camera lighting up the face of the actively venting Mushroom chimney in the ASHES hydrothermal field. Credit: UW/OOI-NSF/WHOI; V17.
Two scaleworms roam among the Palm worms and limpets at Mushroom, one of the hydrothermal vents at ASHES vent field on Axial Seamount. One worm shows its usual pinkish red color (at left), while the other is coated with a fur-like layer of filamentous bacteria. This image was taken with the RCA HD Video Camera during its test on the seafloor during VISIONS 13. Credit: UW/NSF-OOI, V14
The RCA high definition camera at the base of the hydrothermal vent called Mushroom. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1636; V13.
The ROV ROPOS powers up the RSN-OOI camera for the first time at the hydrothermal chimney called Mushroom. This image is from ROPOS with the vehicle lights off, and only the RSN-OOI HD camera providing illumination of the chimney while collecting the first video imagery from the seafloor, which was then streamed live over the Internet. Photo credit: NSF-OOI/UW/CSSF.
Close-up view of a microbial experiment (tubes at right) being conducted by Harvard University. The experiment is located in a diffuse flow site, surrounded by limpets, small tube worms and palm worms. In part, this study is designed to look at microbial utilization of sulfur in these systems. The green lasers from the ROV ROPOS are 10 cm apart. VISIONS '13, Leg 4
Photo credit: NSF-OOI/UW/CSSF.
