Estuary to Abyss Expedition 2004. Pelagic brown algae in the genus Sargassum.
The berry-like structures are gas-filled bladders known as pneumatocysts,
which provide buoyancy to the plant.
Image ID: expl1137, Voyage To Inner Space - Exploring the Seas With NOAA Collect Photographer: Image courtesy of H. Scott Meister, SCDNR Credit: Estuary to Abyss 2004. NOAA Office of Ocean Exploration
