What kind of fish is used in pickled fish? Can you tell

Pickled fish is used

Longli fish or basa fish

Can you tell?

Recently.

China Consumer News reporter

One visit to 60 consumers

Online micro-survey results show

Many people mistakenly believe that the dragon fish and

The fish is the same fish.

And some people who know the difference between the two

It insists that the "safety factor" of basa fish is low.

Is it true

consumers can rest assured to eat basa fish?

almost taste

Why is "worth" so different?

The micro-survey showed that 23% of the respondents did not know the difference between Longli fish and Pasha fish. Many people said that "always thought that Pasha fish and Longli fish, just a fish of two different names".

Liu Yadan, a researcher at the Chinese Fisheries Society, explained in an interview with reporters:

Longli fish, commonly known as cow tongue, is a warm and warm offshore large demersal fish. Its scientific name is semi-smooth tongue sole (Latin scientific name Cynoglossus semilaevis). It lives in the bottom of offshore waters and is very similar in appearance to its tongue. It is also called "Lei Fish" (Lei refers to tongue) and dragon tongue head.

Pasha fish (scientific name: Pangasius bocourti) is a freshwater fish of the family Catariidae and the genus Catfish. Its Chinese name is Boshi giant catfish. It has accumulated 3 large pieces of oil in its abdominal cavity. It is called "Kabasha" in Vietnam, the main producing area, which means "3 pieces of fatty fish". The common name of the basa fish is thus derived.

Professor Liu Shaowei, a member of the expert group of the Shanghai Food Safety Research Association, said in an interview with reporters that from the perspective of nutritional value, Longli fish contains "good fat" (omega -3 polyunsaturated fatty acids) and mineral elements phosphorus and potassium., Calcium, magnesium, etc. are higher than pasha fish, and the protein content and total amino acid quality are nearly twice as high as pasha fish.

Liu Yadan analyzed that due to the relatively small amount of natural resources and the emerging stage of commercial cultivation of Longli fish, the price is relatively high, and the price per kilogram is more than 100 yuan. Basha fish has a wide diet, easy to raise, fast growth, large individual size and high yield. It is an important freshwater aquaculture species in Southeast Asian countries. It is also introduced and cultured in Guangdong, Guangxi, Hainan and other places in China, with a price of 20-30 yuan per kilogram.

The "home" of the fish"

Is it super dirty?

According to the survey data, 42% of the respondents who knew the difference between Longli fish and Basha fish said they had heard or seen the saying that "Basha fish is dirty.

Liu Yadan said that basa fish is an omnivorous fish. Under natural conditions, it mainly feeds on small fish, shrimps, snails, mussels and other crustacean benthic mollusks, aquatic insects, etc., as well as duckweed, aquatic plants, and higher plant debris. Wait. Barra fish often activities in the upper water, the water quality requirements are relatively not very high.

In addition, wild basa fish is similar to its distant relative catfish, which mostly grows in river water with more sediment, so the fish naturally has an earthy smell. In addition, basa fish itself has no scales, is dark all over, and has a lot of mucus on its body surface, which looks ugly, thus giving people the impression of "dirty.

These circumstances do not mean

All pangasius are dirty"

Liu Yadan analyzed that at present, the basa fish on the market mainly comes from artificial breeding, and the basa fish in regular farms are generally fed with small fish, shrimp, rice bran and prepared feed. In other words, their food is not the rumored "dirty garbage". At the same time, for commercial profit considerations, farmers will also focus on controlling and improving the "home" of Pasha fish-the water environment of the farm.

Liu Shaowei analyzed that, on the one hand, the market share of domestically farmed pasha fish is gradually increasing; on the other hand, whether it is imported from abroad or farmed domestically, pasha fish products must undergo strict testing before they go on the market. Therefore, consumers from the regular channels to buy the Pasha fish steak is safe to eat.

Consumption Tips

3 moves to distinguish between two kinds of fish steak

There have been cases in the market where individual merchants have used Pasha fish as dragon fish. Liu Yadan reminded that it is easy to distinguish the shapes of fresh Pasha fish and Longli fish. Pasha fish is larger, with dark blue or black skin, while Longli fish is smaller, with slender lines and gray or dark brown scales. Consumers can distinguish the fish steak from the following three aspects:

Look at the appearance: Basa fish is large in size and size, with a common length of 60-90cm. The cut fish steak is thick, white in color and obvious in texture. Longli fish is small in size, with slender lines, usually between 30-50cm in length, and its body is relatively flat and leaf-like. After cutting, the fish steak is relatively thin, the color is gradual, and the texture is relatively light.

Smell: Basha fish is a freshwater fish with a faint fishy smell, while Longli fish has the taste of marine fish.

Check the meat quality: the meat quality of basa fish has more water content, and the meat quality will be loose after thawing, while the meat quality of Longli fish is relatively firm.