Cerianthid Anemone
Video courtesy of NOAA Ocean Exploration, 2021 North Atlantic Stepping Stones. Download largest version (mp4, 62 MB).

Cerianthid or tube anemones, belonging to the subclass Ceriantharia, are rather distant relatives of sea anemones. All tube anemones have a quite uniform appearance, with an elongated body and two crowns of non-branched tentacles.

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