<；P>；PROBLEM TO BE SOLVED: To provide a recovering method by which the whole constituent members of a middle-layer floating fish bank can readily and precisely be pulled up while hardly being affected by the operation condition such as a water depth of an installation location, and to provide a metal fitting for recovery, usable for the method. <；P>；SOLUTION: The method for recovering the middle-layer floating fish bank 1 includes fixing a work ship 10 to the middle-layer floating fish bank 1 of which the bank body is moored to a prescribed region under sea through a mooring rope bound to an anchor 2 installed on the sea bottom by engaging the tip part of a guide rope 11 hung down from the work ship 10 to the fish bank body by moving the tip part, lowering an unmanned submersible 13 having a metal fitting 20 for recovery, bound to one terminal side of a recovery rope 15 sent out from the work ship 10 and detachably attached to the front side thereof by utilizing the guide rope 11 to the vicinity of the bank body, binding the metal fitting 20 for the recovery to the mooring rope by operating the unmanned submersible 13, pulling up the unmanned submersible 13, and winding up the recovering rope 15 to pull up the middle-layer floating fish bank 1 as it is. <；P>；COPYRIGHT: (C)2010,JPO&INPIT
