The nutritional value of blackfish is high because it contains a variety of nutrients needed by the human body, especially rich in protein. Blackfish is one of the common freshwater fish, its nutritional value is rich, protein content is relatively high, and contains a variety of other minerals needed by the human body, such as every 100g of blackfish contains 18.5g protein, 1.2g fat, 313mg potassium, 232mg phosphorus, 152mg calcium, 33mg magnesium, etc., which can be used as a better source of supplemental protein. It is recommended to mix and match meals reasonably, and protein-rich foods such as blackfish can be consumed with vegetables in moderation for balanced nutrition, but those who are allergic to blackfish should not consume it in order to avoid inducing adverse reactions.