Facts about Sargassum Brown Algae

1. 05

   Sargassum brown algae uses gas-filled bladders called pneumatocysts to maintain buoyancy at the ocean surface.

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2. 04

   Massive blooms of Sargassum brown algae have increasingly inundated Caribbean and Gulf of Mexico coastlines, with record accumulations documented in the 2010s and 2020s.

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3. 03

   Floating mats of Sargassum brown algae provide critical nursery habitat for juvenile sea turtles, fish, and invertebrates in the open Atlantic Ocean.

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4. 02

   Unlike most seaweeds, Sargassum brown algae is holopelagic, spending its entire life cycle floating freely in the open ocean rather than anchoring to the seafloor.

   Sargassum Brown AlgaeJun 6sharebiologyoceanecology
5. 01

   The Sargasso Sea, named after Sargassum brown algae, is the only sea on Earth defined entirely by ocean currents rather than land boundaries.

   Sargassum Brown AlgaeJun 6shareoceangeographybiology