Ilish seasonal fishermen are employed in catching them and traders are bidding up the price of the fish to exorbitant levels. Furthermore, the changes brought about by global warming have led to a gradual depletion of the ilish's breeding grounds, reducing populations further. The fish is heading towards extinction in certain regions. Ilish Tenualosa ilisha (ilish, hilsa, hilsa herring "ইলিশ" in Bangla and Australia, or hilsa shad) is a species of fish related to the herring, in the Clupeidae family. It is a very popular and sought-after food fish in the southern region of Asia. It is Bangladesh's national fish. The
National Bureau of Asian Research a combination of country, regional, and topical studies authored by Asia studies specialists and international relations experts. Ashley J. Tellis, a senior associate of the Carnegie Endowment for International Peace, has served as the research director for the Strategic Asia Program. Since January 2006, NBR has published the biannual journal "Asia Policy", which presents academic research on the Asia-Pacific with a focus on policy conclusions for the United States. Loyola Marymount University Asian studies professor Thomas Plate has described the Asia Policy board of editorial advisers as a "virtual Who's Who in the field of Asian policy scholarship." Board of