<；P>；PROBLEM TO BE SOLVED: To solve problems that necessity for establishment of a process for effectively utilizing remaining water because decrease of water suitable for growth of fishes, shells, sea weeds, etc., caused by recent bank protection work, improving construction of tidal flat, bulk collection of sea sand, or water pollution and the target of conventional fish reef is limited. <；P>；SOLUTION: The invention relates to the multipurpose fish reef block composed of a block comprising a concrete base block 2 and a frame body for forming shell growing space fixed on the block, wherein the frame body is a structure comprising a plurality of metal poles and a plurality metal bar members connecting the metal poles at their top section and having wire members parallelly connecting one of the plurality of metal bar members and a countering other bar member with a space, and the shells for culture or shell basket are hang on the wire members, and the block is set on the sea bottom and the cultivation of shell and sea weed start. <；P>；COPYRIGHT: (C)2006,JPO&NCIPI
