An artificial fish-breeding ground

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The device to, having each communication hole, each bore and cooperate between the lower connecting rod each STW of a right-sided inclination a plurality of split body in conjunction with an improved primarily burnt number 1, 2 so as to form the metal strip each cultured organisms such as crab and sea cucumber benzisothiazolinone 1-dioxide as a result of internal is provided to perform maintenance of an sea cucumber and crab, cultured organisms in a large amount of easy-to-form reef shaft, and a main driving shaft. The device upper outside peripheral and a lower peripheral year around, respectively, a fitting groove (21) is formed projects the number 1 "shape is formed by tubular low discussion (20) and a; upper outside peripheral and a lower peripheral year around, respectively, a fitting groove (31) is formed the tubular number 2" shape is formed by variably (30) and a; tubular said number 1 (20) top of a fitting groove (21) is inner side circumferential to (13), each having ball closes the outlet (11) which a buried contact hole is formed in the cross sections, said number 2 tubular (30) top of a fitting groove (31) is inner side circumferential to (13), each having communication ball (12) to the cross sections upper connection vice-re-[...][...] upper connecting rod (10) and a; tubular said number 1 (20) of lower a fitting groove (21) is inner side circumferential to (13a), each having communication ball (12a) which a buried contact hole is formed in the cross sections. Tubular said number 2 (30) lower of a fitting groove (31) is inner side circumferential protrusion (13a), each having ball closes the outlet (11a) the cross sections to lower connecting rod (10a) is provided with a provided to reef characterized by by a rope..