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Pancake Mat
Video courtesy of Oregon State University, NOAA OER, NOAA OCNMS, Ocean Exploration Trust, NA-121. Download larger version (mp4, 74.6 MB).

At one site, we found thick bacterial mats with small worm tubes sticking out of them. One of the mats was so dense it looked as if we were flying over a pancake on the seafloor.

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