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Ctenophore
Video courtesy of the NOAA Office of Ocean Exploration and Research. Download (mp4, 10.0 MB)

This ctenophore was seen at a depth of 570 meters, at the beginning of a dive in the Gulf of Mexico to explore a site along the West Florida Escarpment characterized by a number of bioherms or mounds built by marine invertebrates.

Ctenophores, also known as comb jellies, have eight "comb rows" of fused cilia that beat synchronously and propel ctenophores through the water. Little is known about the basic biology of these gelatinous critters.

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