Sardines and Spanish mackerel have certain similarities in appearance, and their colors are also silver. In addition, both of them can be eaten and contain rich nutrients. In terms of classification, both belong to the class Osteichthyes. However, sardines and Spanish mackerel are not the same organism, they are different in many ways, and they can be distinguished from these differences.
1. The difference between genera: In terms of major categories, sardines and Spanish mackerel both belong to fishes in the class Osteichthyes, but the orders and families to which they belong are different. Specifically, sardines belong to the Clupeidae family of Clupeiformes, while Spanish mackerels belong to the Spanish mackerel family of Perciformes.
2. Body shape difference: Although sardines and Spanish mackerel are similar in appearance, their body shapes are different. Specifically, the body length of Spanish mackerel after adulthood is generally between 25-50 centimeters, the largest individual length can reach about 1 meter, and the weight is about 4.5 kilograms. In contrast, the size of sardines is relatively small, and the length of adult body is generally between 15-30 centimeters.
3. Geographical distribution: Both sardines and Spanish mackerel can live in the ocean, but the specific geographical distribution is different. Sardines are mainly distributed in southern and northern latitudes of 6-20 degrees, that is, where the water temperature is relatively warm, while Spanish mackerel is mainly distributed in the western part of the North Pacific Ocean.
4, efficacy difference: sardines and Spanish mackerel can be eaten, containing more rich nutrition, but its specific effect is different. Spanish mackerel can invigorate qi, enrich the blood and supplement various nutrients; Sardines are rich in phospholipids and proteins, which can prevent hypertension.
