Range/Geographical Distribution: Worldwide.
Habitat: Temperate, tropical, and subtropical waters, both intertidal and subtidal.
Description: Algae of this genus are generally brown or green in color and are made up of a holdfast, a stipe, and a frond. Some species have gas-filled bladders that help keep the fronds afloat.
Size: Some species reach over 30 feet in length.
Breeding: Reproduces sexually by releasing haploid gametes or vegetatively through growth.
Predators/Ecological Importance: Rafts of these algae provide habitat and food for many species of larval and adult fish, many invertebrates, and loggerhead sea turtle hatchlings.
Conservation Status: No legal status.
Interesting Facts: Large mats of sargassum seaweed make up the “Sargasso Sea” in the Atlantic Ocean, a very specialized habitat home to many species of animals found no where else.
On the Coast: Pieces of sargassum seaweed sometimes wash up on Georgia’s beaches, especially during the summer after storms.