Fish and seafood are easily digestible and contain a lot of nutritional value, meat contains a lot of easily digestible protein 97%. Fish are also rich in vitamin A, E and B vitamins, sodium, potassium, calcium, magnesium, phosphorus, and fats, including essential fatty acids omega-3 type of EPA, DHA, of great significance in the human body, and in marine fish as iodine. Of course, fish fish does not equal their values are dependent on the origin of sea fish, freshwater fish, the feeding site whether it is fat or lean fish, even a kind of food. Undoubtedly, one can eat any kind of fish, fat, skinny, marine and freshwater. The most valuable what can we give the fish is omega-3 EPA and DHA, the former is necessary for the transmission of information between nerve fibers. DHA has a number of positive effects on the body, consumed in foods reduces the level of triglycerides in the blood, preventing heart attacks. DHA deficiency results in low levels of serotonin in the brain that is essential for sleep and a positive effect on male male needs may be related to the occurrence of ADHD, Alzheimer's disease and depression.