The present invention relates to a submersible and floatable mobile open sea fish culturing holder device. More specifically, a holder frame of the holder device is installed in a frame structure having the shape of a submarine. Cone-shaped water current dispersing plates are installed on the front end and rear end of the holder frame, so that the holder device can be easily moved to a sea area needing the holder device so as to add fish to be cultured, ship cultured fish, or avoid red tides. Also, when the holder device is moved, the denaturing and hydraulic resistance of a holder net are minimized, so that stress to and death of fish can be prevented and the holder net can be prevented from being damaged. The internal space of the holder net is rationally compartmented, so that various species of fish can be cultured through one holder device. Submersible and floatable tanks and balance tanks which are compartmented into multiple compartments are respectively installed at the left and right bottom and the left and right top of the holder frame, so that the submerging and floating of the holder device can also be stably performed. A control house is installed at the top end of the holder frame, wherein the control house includes an electric power supplying tool, a submersible and floatable tool, an automatic feeder, and a control tool thereof. A communication antenna is installed to be connected with the control tool at the top of the control house, so that the holder device can be remotely controlled. Also, the holder device can be manually submerged and floated in an emergency. Consequently, the open sea culturing holder device can be safely and efficiently operated, and the productivity of culturing fish can be remarkably improved.본 발명은 침하부상식 가두리 양식장치에 관한 것으로서, 더욱 상세하게는 가두리장치의 가두리프레임을 잠수함 형태의 골조구조물로 설치하고, 상기 가두리프레임의 선단부와 후단부측에는 고깔 형상의 수류분산판을 설치함으로서, 양식어류의 투입이나 성어의 출하 또는 적조의 회피 등을 위하여 가두리장치를 요구하는 수역으로 용이하게 이동시킬 수 있도록 함은 물론, 가두리장치의 이동시 가두리그물의 변형과 수력저항을 최소화시켜 양식어류의