Sargassum
Videos
Sargassum is a genus of brown macroalgae in the order Fucales of the class Phaeophyceae. This brown macroalgae is spread predominantly in tropical and subtropical areas. It comes from the Sargasso Sea
Sargassum weeds closeup
Aerial view of floating Sargassum near the coral reef crest in La Parguera, Puerto Rico (June 2021)
Close-up of Sargassum, showing the air bladders that help it stay afloat
Watercolour illustration of Sargassum seaweed specimens
The Great Atlantic Sargassum Belt is a recurring Sargassum bloom in the Atlantic Ocean. It is the largest macroalgae bloom in the world to date.
Sargassum
…scientists have found using satellite data that a new hotspot has been forming from western Africa and extends into the Caribbean Sea, called the Great Atlantic Sargassum Belt (GASB). Most of the macroalgae species inhabit shallow coastal waters and coral reefs, but some are planktonic (free-floating) or pelagic after being…
Washed-up Sargassum on Punta Tuna Beach, Puerto Rico
The development of the belt 2011–2018
A 1-kilometre-wide (0.62 mi) patch of sargassum in the Caribbean Sea