| 摘要 |
PROBLEM TO BE SOLVED: To provide a spat sorting method or the like that can easily sort out spats delivered in an aquarium by grown shellfishes.SOLUTION: A spat sorting method concerning the present invention includes: a breeding preparation step of installing a net (bottom net 2a of a net box 2) of an area slightly smaller than the area of the bottom at the bottom of an aquarium 1 for breeding shellfishes serving as bait for firefly larvae, and pouring water W into the aquarium 1 and putting grown shellfishes 3 of the shellfishes serving as the bait for the firefly larvae on the net; a breeding step of breeding the grown shellfishes 3 in the aquarium 1; and a spat sorting step of vibrating the net after the grown shellfishes 3 deliver spats 4 and screening out the spats 4 through the mesh of the net on bottom face 1a of the aquarium 1, and thereby sorting out the grown shellfishes 3 and the spats 4. |
