Ans: The floating sargassum algae are brown in colour, which is the richest source of carotenoids, cellulose, protein, and aspartic and glutamic acids. They are a rich source of phenol. Furthermore, the polysaccharides found in sargassum kelp helps to control blood sugar and blood pressure. Sargassum has high antibacterial and antioxidant properties. Sargassum provides residents and food for marine habitats like fishes, crabs, turtles birds, shrimps and other organisms.