It is a streamlined and intellectually advanced marine mammal. The middle of the body is thick and round, the back is gray or dark gray, and the color of the abdomen is relatively light. I enjoy living in groups and often engage in activities near the sea. I have strong swimming abilities and can swim at a speed of 100 kilometers per hour. Mild temperament, but sometimes shows aggression, especially during mating season. The food mainly includes group dwelling fish such as hairtail and mackerel. Each dolphin has unique vocal characteristics through physical movement and special sounds for communication. Widely distributed in temperate and tropical oceans around the world, it is also found in coastal provinces of China.