<；P>；PROBLEM TO BE SOLVED: To provide a surface floating fish reef having excellent durability, economical and capable of being easily recovered. <；P>；SOLUTION: The floating fish reef comprises a float 10, an anchor 30 and mooring ropes 12, 22, and 23 for connecting the float 10 with the anchor 30, wherein the buoyancy of the float 10 is controlled so that, when tidal stream is fast, the upper part of the float 10 appears on the sea surface and, when the tidal stream is slow, the whole of the float 10 is drawn in the sea, and wherein a signpost buoy 40 is attached to the float 10 through a mooring rope 41. <；P>；COPYRIGHT: (C)2007,JPO&INPIT
