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Dive 6: Deepwater Siphonophore
Video courtesy of the NOAA Office of Ocean Exploration and Research, Discovering the Deep: Exploring Remote Pacific MPAs. Download (mp4, 20.0 MB)

On March 14, during the sixth dive of the expedition, this intact deepwater siphonophore was observed. Although they may appear to be a single organism, these giant siphonophores are actually comprised of a colony of individual hydrozoans, each specialized for different functions such as swimming, feeding, and reproduction.

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