2. Cut a hole from the belly of the Duobao fish with a knife, preferably from the lower gill to the tail, and then take out most of the internal organs of the fish by hand.
3. Clean the belly of Duobao fish with salt water again, and gently scrape off the remaining internal organs attached to the belly of the fish with a knife.
4. Wash away the remaining internal organs with water, and finally wash all the Duobao fish with clear water.
Nutritional value of Duobao fish: Duobao fish mainly belongs to a kind of marine fish, and its nutritional value is very rich. It contains a lot of protein, vitamin A, vitamin C, calcium ions and iron ions, and eating some turbot in moderation can effectively promote metabolism and maintain the energy needed by the body. It can absorb fatty acids in turbot, supplement essential amino acids, nourish nerves, and improve insomnia to some extent. Because Duobao fish contains a lot of vitamin E, it can effectively resist oxidation and whiten skin. However, it should be noted that Duobao fish itself belongs to a kind of marine fish. If people have allergic diseases, it is recommended to use it in small quantities or not to eat it.