The utility model relates to the technical field of aquatic
organism measurement, and discloses a measuring device for measuring the fatness of
shellfish based on liquid volume, which comprises a base, the top of the base is provided with a containing groove, the top of the containing groove is fixedly connected with a bearing box, the bearing box is internally provided with a measuring
assembly, and the measuring
assembly comprises a weighing tray. A
measuring cup is arranged above the weighing tray, a flow gathering device is arranged at the top of the
measuring cup, a storage
barrel is arranged at the top of the flow gathering device, and fixing assemblies are arranged on the outer wall of the storage
barrel and the outer wall of the flow gathering device. According to the device, water is added into the storage
barrel,
shellfish is placed in the storage barrel, the total volume data M1 is measured through the weighing tray, the
shellfish is dissected to reserve the volume M2 of an empty shell and the volume M3 of shellfish meat soft bodies, the
mass of equivalent-volume water is measured and converted into shell cavity volume M0 data, the fatness degree is calculated according to a formula, the problems that a traditional method is tedious in measurement and large in error are solved, and the detection efficiency and accuracy are improved.