To provide a sorting apparatus for aquaculture shells capable of improving sorting efficiency by smoothly performing rocking of a sorting bed by preventing a driving source and a sliding mechanism attached to a sorting apparatus from salt damage.SOLUTION: A motor 6 is disposed at the center of a support frame portion 5 provided above a base frame 2 inclined in the longitudinal direction, and a pair of drive wheels 8 pivotally mounted on the drive shaft of the motor 6 1 drive source Ta and a wobble plate 25 journalled on an eccentric shaft 23 attached to the eccentric position of the end face of the large diameter working disc provided at both ends of the transmission shaft pivotally supported on both sides of the support frame part 5 A swing plate 25 of the swing mechanism and holding plates 17 provided on both sides of the side of the selection table 10 for sorting the cultured shells H are detachably connected and suspended , The driving force of the driving source Ta is transmitted to the first oscillating mechanism Sa via the transmitting means U and the selecting table 10 is rotated via the oscillating plate 25 by eccentric rotation by the eccentric shaft 23 of the first oscillating mechanism And selecting the cultured shell H on the sorting bed 10 by rocking motion.(FIG.【課題】選別装置に取付けた駆動源と摺動機構を塩害から予防して選別台の揺動をスムースに行うことで選別効効率の向上が図れる養殖貝の選別装置の提供。【解決手段】長手方向を傾斜させた基枠2の上方に設けた支持枠部5の中央にモータ6を位置させ、該モータ6の駆動軸に軸着した一対の駆動輪8とからなる第1駆動源Taと、前記支持枠部5の両側に軸支した伝動軸の両端に設けた大径な作動円盤の端面の偏心位置に取付けた偏心軸23に軸支した揺動板25とからなる第1揺動機構Saと、該揺動機構の揺動板25と養殖貝Hを選別する選別台10の側面左右両側に設けた保持板17とを着脱可能に連結して懸架してなり、駆動源Taの駆動力を第1揺動機構Saに伝動手段Uを介して伝達し、該第1揺動機構の偏心軸23による偏心回転により、揺動板25を介して選別台10を揺動運動させることにより選別台10上の養殖貝Hを選別することを特徴とする。【選択図】図2