Dugong is a mammal of the genus Dugong in the family Dugongaceae of the order Manatees. Dugongs are whale like in shape, spindle shaped, and have a plump and round body; No obvious neck, small eyes, no dorsal fin, fin limbs thoracic fin like; The body is composed entirely of thick flesh and skin; Back dark gray; The whole body has sparse and soft short hair. Male incisors are slightly exposed. Dugongs are also known as "mermaids" because they use their forelimbs to embrace their young while breastfeeding, with their head and chest exposed to the water, resembling humans swimming in the water. Group activity, slow movement, gentle temperament, poor vision, sensitive hearing, usually in a drowsy state, sensitive to cold, prone to pneumonia and death. Dugongs feed on juicy aquatic plants such as seaweed and aquatic plants.