Dugong- a critically endangered species and the only existing herbivorous mammal feeding on sea grass that lives exclusively in the sea in India. The dugong has been hunted for thousands of years for its meat and oil.  Despite being legally protected in many countries, the main causes of population decline remain anthropogenic and include fishing-related fatalities, habitat degradation,boat strikes,pollution and hunting. With its long lifespan of 70 years or more, and slow rate of reproduction,