The difference between wild crucian carp and cultured crucian carp is: 1. The wild crucian carp has a flat body and a high back, and the cultured crucian carp is bigger and fatter. 2. The taste is different. The meat quality of wild crucian carp is compact and tastes good, while the meat quality of cultured crucian carp is loose. 3. The color is different. Wild crucian carp are generally silvery white or golden yellow, with white color and black cultured crucian carp.

The feeding time of crucian carp varies with seasons. Spring is the peak season for feeding, feeding day and night; The feeding time in summer is morning, evening and evening; Feeding all day in autumn; In winter, they eat at about noon.