1. The shape is different. The head of the rice fish is slightly flat, covered with scales, with an upper mouth, transverse fissure, flat side, straight back, small dorsal fin and ventral fin, and nearly truncated caudal fin; The body color of the flower fish is black and bright.

2. With different habits, the rice fish moves in the upper layer of rice fields and lakes; The flower fish is cultivated in rice paddy field, and grows up after eating the fallen flowers. The fish meat has the fragrance of flowers.