Dive 12: Poop, Prey, or Procreation?
Video courtesy of the NOAA Office of Ocean Exploration and Research, Mountains in the Deep: Exploring the Central Pacific Basin. Download (mp4, 59.1 MB)

During Dive 12, scientists observed several snails on crinoids. As this behavior had not been previously seen, it was unclear as to whether the snails were eating on waste from the crinoids, eating the crinoids themselves, or engaged in mating behavior.

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