What is the best fishing degree of crucian carp?

15 to 25 degrees. Crucian carp is a typical cold-water fish, and the optimum growth temperature is 15 to 25 degrees. In this temperature range, the fish's activity and feeding enthusiasm are the highest. Carassius auratus is widely distributed in Europe and Asia. In China, it is distributed in other rivers and lakes except the Qinghai-Tibet Plateau.