| 摘要 |
PURPOSE: A crab arrester is provided to increase crab productivity by providing a crab arrester which prevents cannibalism phenomenon of crab larva. CONSTITUTION: A crab arrester comprises a net(10), a support rope(12), and a plurality of weights(14). The plurality of nets is installed within a culturing water bath(20) which cultures crab larva, and constant shape networks are formed in the nets. The support rope is combined to upper part of the net in order to transfer the net or sweep the larva attached to the net. The weights are attached to the bottom end of the net in order for the net to be unfolded vertically and to add weight. Both sides of the supporting rope are fixed to the edges of the culturing water bath and to have uniform flow of culturing water within the culturing water bath. |
