a ray is a fish. From the point of view of classification, rays belong to Chondrichthyes, is a kind of Chondrichthyes, their whole body skeleton belongs to cartilage, although some parts after calcification also has a certain degree of hardness, but overall can not be compared with bony fish; They also belong to the order Anthiformes. From the point of view of distribution area, ray is a kind of marine fish with a very wide distribution range, which is basically distributed in the world's sea areas.
From the size of the ray, the size of the ray is not very certain, some are relatively small, but some individuals are relatively large. Their adult body length is only about 50 centimeters, while very large rays can reach 2.5 meters in length, and the size is not necessarily different. From the point of view of habits and characteristics, ray is a kind of flesh-eating fish, belonging to carnivorous animals. They feed on mollusks, shrimps and crabs around them. When they hunt, they use a very sensitive sense of smell to detect prey and then catch them.
As mentioned above, from the distribution area of the ray, the ray mainly lives in the sea water and belongs to a kind of marine fish, and the ray belongs to a kind of marine fish with a very wide distribution. On a global scale, rays are found in most of the world's oceans. Skates are found from the tropics to the Arctic. Even in the Arctic Ocean, where the water temperature is relatively low, there will be rays, which shows that their distribution area is very wide. In China, rays are mainly distributed in the East China Sea and boy areas. They are also widely distributed in shallow waters and in deep waters at depths of about 2700 meters.
