We all know that seafood is an essential part of the diet. They saturate the body with vitamins and minerals, improve the condition of hair, nails and skin. It is not necessary to buy shrimp, mussels and squid at the store. They can be replaced with sea bass. Regular consumption of this fish reduces the risk of developing cardiovascular diseases, reduces cholesterol in the blood, and also improves metabolism. You can cook perch in the oven by marinating it in kefir in advance. This will make the fish even more tender.