What Deep-Sea Fish Are Sold Commercially? Safety, Characteristics and Nutritional Value Explained
Deep-sea fish belong to more than a dozen families, characterized by a large mouth, large eyes, and light-emitting organs on one or several parts of the body. So which fish currently available on the market are deep-sea fish? Are they safe to eat? What are their characteristics? What is their nutritional value? According to ichthyological records, the light-emitting organs of deep-sea fish are used both to lure prey and to attract mates. In the course of evolution, deep-sea fish developed these special habits to adapt to an environment of extreme pressure, extreme cold and darkness. The habitats of deep-sea fish are the most unusual in the world.
Which fish available on the market are deep-sea fish?
Currently available on the market are many kinds, including tiger grouper, turbot, grouper, green grouper, pink grouper, jialiyu, sailfish, shark, cutlassfish (hairtail), yellow croaker, cod, sardine, tuna, skipjack tuna, mackerel, red snapper and others, and these fish also come from different families and species and different deep-sea zones.
Are deep-sea fish safe to eat? What is their nutritional value?
Deep-sea fish are rich in polyunsaturated fatty acids and minerals, such as trace elements including calcium, iron and zinc, and they also contain vitamins A, B and C, so they provide the following benefits for human health.
1. Reducing the risk of heart disease
The omega-3 fatty acids in deep-sea fish can effectively control coronary heart disease.
2. Lowering cholesterol
The polyunsaturated fatty acids in deep-sea fish carry cholesterol out of the blood vessels, thereby lowering the cholesterol level in the body.
3. Lowering blood lipids
The polyunsaturated fatty acids in deep-sea fish can continuously lower blood lipid levels.
4. Benefiting the brain
The DHA contained in deep-sea fish can promote the healthy development of vision as well as the development of the human brain and intelligence, and it is also an indispensable nutrient for the growth of the nervous system.
5. Helping development and improving immunity
Deep-sea fish meat is rich in protein and minerals, provides balanced nutrition, can regulate the body's water balance, improve immunity, and help wounds recover and heal.
6. Reducing the harm of cigarettes
The amino acids contained in deep-sea fish meat can curb arteriosclerosis and reduce the likelihood of heart disease and stroke in smokers.
In addition, although eating deep-sea fish has many benefits, it should not be eaten frequently; eating some appropriately in daily life is fine. Moreover, although sea fish are good, they are not necessarily suitable for everyone. Do not eat deep-sea fish after taking certain medications (such as antibacterial drugs, blood pressure-lowering drugs, etc.); patients with conditions such as gout, cirrhosis and tuberculosis must not eat deep-sea fish; expectant mothers had better eat less deep-sea fish.