A glass sponge seen attached to a rocky wall. We saw several of these walls covered with a diversity of sponges during the third dive of the 2021 North Atlantic Stepping Stones expedition.
Glass Sponge
Image courtesy of NOAA Ocean Exploration, 2021 North Atlantic Stepping Stones: New England and Corner Rise Seamounts. Download larger version (jpg, 1 MB).

A glass sponge seen attached to a rocky wall. We saw several of these walls covered with a diversity of sponges during the third dive of the 2021 North Atlantic Stepping Stones expedition.

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