The present invention relates to a device for sorting young abalone, which comprises: a main body having an opened upper part and a collection space therein; tilted rail parts installed on both sides of the main body and including rail rods formed to be tilted upwards to a front side; a sorting unit supported on the tilted rail parts, provided at the upper side of the collection space, including a plurality of sorting holes formed on a plate surface, and reciprocating in a tilted direction as moving forward and backward along the rail rods, to drop the young abalone with a size smaller than the sorting holes to the collection space positioned at a lower side via the sorting holes and to transfer the young abalone with a normal size greater than the sorting holes to a front side; and a driving unit provided at a rear side of the main body to provide reciprocating force to the sorting unit. The present invention can minimize damages to the young abalone by the tilted reciprocation of the sorting unit and more rapidly and efficiently sort the young abalone.
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