The utility model discloses a device is grabbed to harmless catching of wild macula lutea siganus oramin, including the cylindric cylinder mould of a top closure bottom open -ended, cylinder mould bottom is connected one and is deposited water and store up box at the bottom of the fish, cylinder mould bottom open -ended size and shape and depositing water, to store up at the bottom of the fish box open -top's size and shape unanimous, be equipped with on the cylinder mould one by the dictyosome of cylinder mould to the inside semiellipse that diminishes gradually of the cylinder mould into fish passageway that appears, it establishes one and lures and eat the platform to enter fish passageway bottom. The utility model discloses a make and wholely catch that to grab the wild macula lutea siganus oramin of in -process not dried up, reduce and grab the stress response who arouses because of catching, while congestion avoidance and the condition of stabbing each other. The device can effective solve at present healthy catching of wild macula lutea siganus oramin grab a difficult problem, and it provides healthy and strong parent population to breed for the manual work of macula lutea siganus oramin, simultaneously, for macula lutea siganus oramin's breed provides healthy seed, finally improves its culture benefits.