1. Nutritional value of crucian carp soup Crucian carp is a nutritious freshwater fish that is rich in protein, fat, calcium, phosphorus and other nutrients. Making crucian carp into soup not only makes it taste more delicious, but also retains more nutrients. For pregnant women, eating crucian carp soup in moderation can improve the body\’s immunity and strengthen it. 2. How to choose fresh crucian carp 1. Look at the appearance: There should be a layer of mucus on the surface of fresh crucian carp, and the color should be silvery white or light yellow. 2. Smell: fresh crucian carp should have no unusual smell