The North-Eastern (NE) region of India includes the province of Assam, which provides enough potential for high fish production which can supplement food requirement of the region and could provide answer to the diminishing protein supply. Assam is gifted with innumerable nature's wealth in the form different kinds of lentic and lotic water bodies. A `Haor' is a kind of seasonal floodplain wetland which contains water for some time of the year only, particularly, during the rainy season. Definitions of other kinds of wetlands along with details about `Haors' in the region, have been discussed in the present communication.