A multi-armed sea star showing how sea stars “normally” look, with the arms extended away from the oral disk.
Multi-armed Sea Star
Image courtesy of NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas. Download larger version (jpg, 1.1 MB).

A multi-armed sea star showing how sea stars “normally” look, with the arms extended away from the oral disk.

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