When eating Western food, it is often seen that the menu has a variety of dishes about tuna, tuna and salmon, so you can't help but ask: Are these three kinds of fish the same? What is the difference between the three? Which is more expensive and tastier?
First of all, Tuna is the transliteration of tuna (tuna), so the two are actually the same kind of fish. This fish also has a name called tuna. Mainlanders generally speak tuna, Taiwanese say tuna, and Hong Kongers like to say tuna.
The difference between tuna and salmon is still very large, mainly in the following aspects:
First, the difference between families and genera
1. Tuna: Tuna is a large pelagic important commodity edible fish of the animal kingdom, chordate phylum, vertebrate subphylum, teleost fish, perch, tuna suborder, tuna family, and tuna.
2. Salmon: Salmon are animal kingdom, chordate phylum, vertebrate subphylum, radial fin fish, neofin subclass, salmonid family, salmon family, salmon genus and trout genus retrospective migratory fish.
2. Regions of origin
1, tuna: tuna is distributed in the Indian Ocean, the central Pacific Ocean and the middle of the Atlantic Ocean, the main species are bonito, bluefin tuna, masu tuna, albacore tuna, yellowfin tuna, big-eyed tuna and so on.
2, salmon: salmon is mainly distributed in the northern Pacific Ocean and the northern region of Europe, Asia, the Americas, the main species are Norwegian salmon, Finnish salmon, American salmon, salmon and so on.
Third, the difference in form
1, tuna: tuna body shape is long, thick and round, streamlined, gradually pointed backwards and slender tail base, tail fin is forked or crescent-shaped, there are obvious ridges on both sides of the tail stalk, dorsal and fins have a row of small fins behind each, with torpedo body shape, and its cross-section is slightly round.
2, salmon: salmon body shape flattened, back bulge, sharp teeth, fine scales, silver gray, orange stripes during spawning period, tight and delicious flesh, flesh color is pink and elastic, scales less spines.
Fourth, the difference in taste
1, tuna: tuna belongs to the deep sea fish, characterized by soft and delicious meat, high protein content, but the fat content is very low, commonly known as the seabed chicken.
2, salmon: salmon belongs to freshwater fish, characterized by fat, bright color, smooth taste, melting in the mouth, suitable for the taste requirements of orientals, but also contains a lot of vitamins and minerals, is easy for people to absorb and utilize nutrients. In terms of nutritional value, because most of them are farmed, the nutrition of salmon native to the deep sea is greatly reduced.
Fifth, the difference in efficacy
1, tuna: tuna sweet taste, flat sex, return to the liver, kidney meridians, has the effect of strengthening liver function, preventing arteriosclerosis, suitable for cardiovascular and cerebrovascular diseases, but also a healthy food for women's beauty and weight loss.
2, salmon: salmon sweet taste, warm, return to the stomach meridian, with tonic fatigue, healthy spleen and stomach, warm stomach and in the effect, suitable for ema, edema, indigestion and other symptoms.
In layman's terms, the difference between tuna and salmon is the difference between pork belly and fatty meat. However, the nutritional value of tuna is higher, and the taste is a little more tender. Therefore, tuna is relatively more expensive than salmon.
The price of tuna fluctuates relatively largely, about 160 yuan per kilogram at minus 20 degrees, and 380 yuan per kilogram at minus 60 degrees.
All salmon are chilled (quick-frozen) and the price depends on the origin of the salmon.
The current supermarket prices are:
--- Norway (retail price of about 130 yuan per kg)
--- Canada (retail price of about 145 yuan per kilogram)
---- Denmark (retail price of about 150 yuan per kg)
Although tuna is more nutritious and tastier, due to the rich fiber content of tuna, the taste of tuna at low and medium prices is not as good as salmon lubrication, so salmon is still more popular in the domestic market.