dugongs are primarily marine mammals. Dugongs generally inhabit shallow waters, remaining at depths of around 10 m, although they occasionally dive to depths of 39 m to feed. These shallow areas are typically located in protected bays, wide mangrove channels and in sheltered areas of inshore islands. Seagrass beds consisting of phanerogamous seagrasses, their primary source of nourishment, coincide with these optimal habitats. Dugongs, however, are also observed in deeper water where the continental shelf is broad, neritic and sheltered. Dugongs use different habitats for different activitiescontinental shelf is broad, neritic and sheltered. Dugongs use different habitats for different activities