(HBĐT) - Hoa Binh hydropower reservoir has a total water surface area of 16,800ha, lying in 19 communes of the four districts of Da Bac, Mai Chau, Cao Phong and Tac Lac and Hoa Binh city, which boast advantages in aquaculture. The reservoir is considered a valuable treasure of aquatic resources in the northwest. It is home to 123 fish species with 79 varieties, 19 families and 10 sets, many of them rare such as hemibagrus, blue drummer, barbinae, and many others.