Observation form: the abdomen of male crab is triangular, and all eight crab legs have fluff, while the abdomen of female crab is round or oval, and only the two crab legs in the front section have fluff. Observe crab roe: Crab roe only exists in female crabs, and its color is yellow or orange. Observe crab paste: crab paste is the accessory gonad and secretion of male crab.

How to judge the sex of crab 1 and observe its appearance?

By observing the shape of crabs, men and women can be distinguished. Generally, the abdomen of male crab is sharp and triangular, and all eight crab feet are covered with fluff, while the abdomen of female crab is round or oval, and only the first two crab feet are covered with fluff.

Step 2 observe crab roe

Crab yolk is the ovary and digestive gland of crab, which only exists in the female crab. The color is yellow or orange, and it contains crab eggs that the mother crab does not exclude, so it has extremely high nutritional value. In addition, the mature female crab is full of crab roe.

Step 3 observe crab paste

The sex of crab can also be judged by crab paste, which is the accessory gonad and secretion of male crab and a blue-white translucent colloidal liquid. Moreover, when the male crab matures, the accessory gonad develops abnormally, which will lift the crab shell and contain rich nutritional value.