Most of the macroalgae species inhabit shallow coastal waters and coral reefs, but some are planktonic (free-floating) or pelagic after being detached from reefs during storms. Sargassum …

Jul 31, 2025 · Sargassum is a group of brown algae that provides food, refuge, and breeding ground for many marine animals, such as turtles, crabs, shrimp, fish, and seabirds.

Jul 16, 2014 · Sargassum is a genus of large brown seaweed (a type of algae) that floats in island-like masses and never attaches to the seafloor. Smaller fishes, such as filefishes and …

3 days ago · Certain populations of sargassum have plummeted in abundance over the past ten years, raising alarm for marine ecosystems that depend on the seaweed.

3 days ago · Blooms of yellowish-brown seaweed along the Equator are breaking records and defiling beaches, while a centuries-old patch farther north is disappearing.

Feb 11, 2025 · Dive into the Sargassum Hub to discover more about the ongoing initiatives relating to the Sargassum phenomenon happening in coastal areas around the globe.

Jul 25, 2025 · Sargassum is a genus of large brown algae that can exist in two forms: attached to the seafloor or free-floating. The free-floating species, primarily Sargassum natans and …

3 days ago · A study led by researchers at the University of South Florida's College of Marine Science has found that certain populations of the seaweed sargassum have experienced a …

Aug 7, 2025 · Sargassum is a type of brown algae that floats on the surface of the ocean. Unlike some seaweeds that grow on the ocean floor, sargassum grows on top of the water using little …

Apr 7, 2023 · The map above shows Sargassum density in the central Atlantic Ocean (including the Caribbean Sea and Gulf of Mexico) for March 2023. Red and orange areas show where …