1, the living environment is different, Panjin river crab is born in seawater and grows in fresh water, while southern river crab is born and grows in river water.

2. The taste is different. Panjin river crab is fresh and tender in meat, unique in flavor and rich in nutrition, which is different from the hairy crabs in the south.

3, different shapes, look at the leg hair of the river crab, the leg hair of Panjin river crab is moderate in length and dark brown in color, except for the second color, all of them are southern river crabs, and the horseshoe mark on Panjin crab is clearly visible, and the southern river crab mark is very clear, which is caused by feeding hormones.

Living habits:

River crabs grow in fresh water and breed in river water. Before reproductive migration, they were all young crabs, commonly known as "yellow crabs" because of their yellowish shells. Their gonads are very small and basically undeveloped, and the weight of the liver is far greater than that of the gonads.

When molting for the last time, it developed into a "blue crab" with a dark green shell and fully developed gonads. Male crabs have dense villi and dense bristles, and the abdomen of female crabs completely covers the abdomen of the head and breastplate, with long and dense bristles on the abdomen edge.