| 摘要 |
Disclosed is a water tank for sea crabs to adapt to the surface sea water. The disclosed water tank for sea crabs comprises: a tank main body shaped as an opened square container to form a sea water chamber used to accommodate seawater therein and having a plurality of protrusions arranged with a predetermined distance to each other and vertically on an upper portion of the inner lateral surface and a loop formed on an upper portion of the outer lateral surface; a pressure plate shaped as a square plate to be inserted horizontally into the water tank main body and having sponge to be installed on an edge of the outer lateral end, a handle installed close to an edge of an upper surface and on which a user grips and a fixing string fixed on the handle; a backflow prevention plate having a predetermined length, shaped as a stick with L-shaped cross section, inserted between the water tank main body and the sponge and preventing the pressure plate from ascending, wherein the protrusions block the pressure plate from ascending; an expansion unit installed on a lower portion of the pressure plate, shrinking and expanding by the inputted or discharged high-pressure water to apply pressure or reduce pressure from the sea water accommodated in the sea water chamber; and a plurality of partitioning containers having an individual accommodating space for sea crabs and arranged in the water tank main body. |
