To automatically sort cuttlefishes by size to try to save labor of the sorting.

The adequate number of sorting rolls 2 each formed by connecting tubular bodies 3, 4, 5 of the same form with a club-shaped outer peripheral surface are arranged in a sectional plane so that spacings between the opposite tubular bodies 3, 3; 4, 4; 5, 5 are parallel to each other to form, one by one, sorting parts a, b, c that the spacings are made larger in this order, and also, above the sorting rolls 2, pressing rotating rolls for perpendicularly intersecting cuttlefishes to push them forward with pressure are installed to automatically sort and separate them according to the thickness of a narrow part in a cartilage part in front of eyeballs of cuttlefishes.