Description : A boy shows off their catch in the Bay of Bengal, at Dhal cahr, Bhola, Bangladesh. Hilsha or ?Ilish? as they are locally known is the national fish of Bangladesh. The fish is always considered as a special delicacy in Bangali household and is prepared in many different ways. It is found in the Bay of Bengal and Padma, Jamuna, Meghna, Karnafully and other coastal rivers of Bangladesh.