A multibeam map of the seafloor shows deep depressions, or pockmarks, in dark blue. Footage and images gathered by the ROV and photoplatform showed an unusually high density of life at the pockmark sites. The dotted line shows the Healy’s track, the green line shows the area covered by the ROV, and the red line shows the track of the photoplatform. Image Credit: Hawaii Mapping Research Group.
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