An unknown octopus with a small node on its head was observed crawling along the seafloor at around 475 meters depths.
Octopus
Image courtesy of the NOAA Office of Ocean Exploration and Research, Discovering the Deep: Exploring Remote Pacific MPAs. Download larger version (jpg, 1.1 MB).

An unknown octopus with a small node on its head was observed crawling along the seafloor at around 475 meters depths.

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