Now, many high-fat foods are not popular: it is believed that they harm health and spoil the figure. However, there are exceptions to each rule. One of them is fatty fish. Such fish is useful for preventing heart and vascular diseases, since omega-3 and omega-6 fatty acids contained in it help reduce cholesterol, positively affect the cardiovascular system, reduce the risk of atrial fibrillation in the elderly. In addition, the use of fatty fish varieties improves memory and cognitive abilities, and can also reduce the risk of senile dementia.
Types of oily fish
The fattest fish lives in cold seas and rivers. It is not accidental that it does not freeze in severe waters, it needs a fat layer that protects internal organs. In such fish, the fat content varies from 8 to 20% of the total mass. Fatty varieties of sea fish include:
- halibut;
- nelma (passing forms);
- chinook (pass-through forms);
- sardine;
- saury;
- mackerel;
- Notothenia;
- Atlantic herring;
- tuna.
Fatty river fish are mostly residential forms - i.e. such as are constantly living in rivers, and do not swim to the seas after a certain age - sturgeons and salmonids, but there are other types:
- dwelling forms of sturgeon fishes;
- Baikal omul - strictly speaking, lake fish, enters rivers only during spawning;
- nelma (living species);
- river lamprey;
- river eel.
These representatives of the fish supraclass are more caloric than their less "well-fed" brethren, however, do not deny yourself the pleasure, regale them. Even those who are on a low-calorie diet , can afford 2-3 small portions of fatty fish per week. Moreover, 150-200 grams of fatty fish cover the weekly requirement of the human body for omega-3 and omega-6 acids.