How to choose crayfish? First pinch the shell of crayfish. The shell with elasticity is the most delicious. Then smell whether crayfish has a natural fishy smell. If it smells bad, don't buy it. Finally, observe the crayfish, bright red color, uniform size is the best.
How to choose crayfish
Pinch the shell
Buy crayfish to pinch the shell of crayfish, if the shell is very hard, such a lobster is an old lobster. Old lobsters are more toxic than newly grown ones, so it is not recommended to eat them. Buy the kind of moderate size, shell pinch elastic is the most delicious.
Smell
Crayfish cultured in regular channels smell fishy; The crayfish growing up in the sewage, in addition to the normal fishy smell, will also be accompanied by metal rust or rotten meat smell.
How to choose fresh and healthy crayfish
Look at the appearance
The healthy crayfish is even, with half of the head and half of the body. The color is bright red. The abdomen hair and claw hair are clean, and the abdomen is white; If the size is uneven, the head is big, the body is small, the color is not right, or the joints are dirty, it should be noted that this kind of crayfish may grow up in sewage, so it is not recommended to buy it.