<;P>;PROBLEM TO BE SOLVED: To provide a mound fish bank capable of effectively improving characteristics of mound fish bank and to provide a method for constructing the structure. <;P>;SOLUTION: The mound fish bank structure 10 is constructed in mound-like state on the sea bottom ground G in order to generate upwelling flow and the structure 10 is equipped with nearly conically-shaped parts 11 and 12 formed at the both ends and a mound part 13 formed in nearly triangular cross section having slant faces 15 and 16, and a material constituting the mound part 13 is different in properties from a material constituting the nearly conically-shaped parts 11 and 12. <;P>;COPYRIGHT: (C)2008,JPO&INPIT