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Pockets of Microbial Mats
Video courtesy of Oregon State University, NOAA OER, NOAA OCNMS, Ocean Exploration Trust, NA-121. Download larger version (mp4, 44.2 MB).

Many little pockets of microbial mats, indicative of methane seepage from beneath, were present throughout multiple dives from 200-500 meters (656-1,640 feet) water depth.

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