PROBLEM TO BE SOLVED: To provide a bait weighing machine capable of accurately weighing and feeding bait without damaging living bait such as frozen fish with a large amount of accompaniment water.SOLUTION: A bait weighing machine 100 includes: a plurality of bait storage parts 12 that are provided around a rotary shaft 11 disposed substantially horizontally in a substantially rectangular-parallelepiped-shaped casing 10, in such a manner as to be divided for each 120° about the rotary shaft 11； a bait insertion port 13 that is provided on an upper face of the casing 10 for inserting bait into the bait storage parts 12； a bait discharge port 14 that is provided across a front lower part and the lower face of the casing 10 for discharging the bait stored in the bait storage parts 12； and drive means 15 for intermittently rotating the rotary shaft 11 for each 120° unit. The plurality of bait storage parts 12 are formed by radially fitting a plurality of division members 16 with water permeability around the rotary shaft 11.
