1, Duobao fish is a common fish. In fact, it is similar to catfish. It is a scaleless fish with a greasy skin, but the skin of Duobao fish is ugly in appearance. In fact, it does not need to be peeled when eating. The skin of Duobao fish contains a lot of collagen and is very nutritious.

2. If you really don't like to eat fish skin, just scrape it with a knife several times during cleaning, and then apply a small amount of salt on the surface, because there is a thick layer of mucus on the skin of Duobao fish, and then rinse it with clear water to remove the mucus, which can also play a bactericidal role after treatment.

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