There is a general conversion relationship between the weight and body shape of hairy crabs, that is, for every 0.5 Liang increase in the weight of hairy crabs, the body shape will increase by about 1.25 cm. Therefore, the hairy crabs of 5 Liang are about1.25cm larger than those of 4.5 Liang.
It should be noted that the size and weight of hairy crabs will vary due to factors such as breeding environment and food sources, so the specific size and weight may vary from person to person.