Fucus is a genus of brown algae commonly found along rocky shorelines in temperate regions. These seaweeds are characterized by their flat, leaf-like structures and air bladders that help them float. Fucus species play a vital role in coastal ecosystems, providing habitat and food for various marine organisms. Fucus is also known for its potential health benefits. It contains essential nutrients, including iodine, vitamins, and minerals, which can support thyroid function and overall health. Additionally, Fucus is often used in dietary supplements and natural remedies due to its rich antioxidant properties.