Regarding the nutrition of fish, there is no doubt that both freshwater fish and marine fish have the same nutritional components, and the total nutritional value is very high. Moreover, the muscle fiber of fish is very short and the water content is high, so the meat is tender and easier to absorb than the meat of livestock and poultry. But there is controversy about the nutritional value of fish head:

Statement 1:

Eating more fish heads is not good for your health. Many toxins from fish and most animals will be enriched in the heads, and fish heads often have excessive heavy metals, such as mercury. Therefore, although fish heads are delicious to some people, we should pay attention to eating less. All toxins are a process of accumulation. By the same token, people who like to eat chicken heads and duck heads should also pay attention to eating as little as possible.

Statement 2:

Fish head is not only nutritious and delicious, but also contains lecithin, which is lacking in fish meat, and is rich in 22 C 6 enoic acid (DHA). This is a highly unsaturated fatty acid, which is extremely important for promoting the growth and development of nerve cells, especially nerve conduction and nerve fiber cells, and is a brain-strengthening product. The content of DHA in the meat of pigs, cattle, sheep and other livestock does not exceed 10%, but the fish head is far higher than this level, especially the fish eye, which can be called a rich mine of DHA. Japanese researchers have found that the content of DHA in the orbital fat of tuna and bonito is as high as 30%-40%, and that of sardines and bamboos is as high as 70%, which is especially beneficial to children, teenagers and mental workers. The zinc and iron trace elements in fish heads are high, and these trace elements do have a natural nourishing effect on the brain.

No matter how nutritious the fish head is, the right amount is the best.