Have you ever eaten a prawn longer than an adult's forearm? Is it a mutated crayfish or an invasive alien species? Recently, in the southeastern part of the mainland, many fishing enthusiasts can always catch a kind of "strange shrimp", this strange shrimp is huge, like a crayfish with a large head, the whole body is blue-gray, dark blue long arms and tail, the size is far larger than ordinary river shrimp.
When netizens around the world were still discussing whether they could eat it, Guangdong people said: This shrimp has long been on the table. It turns out that the name of this "strange shrimp" is: Roche shrimp, people give nickname "king of freshwater shrimp", no wonder it is so popular. But did you know that the Roche shrimp, which has such a characteristic appearance, is not an indigenous species?
Also known as Thai shrimp and Malaysian prawns, Roche shrimp is native to the Indo-Pacific region and is mostly distributed in tropical and subtropical waters. The body color is pale blue, which will change with the change of the habitat water environment, and the transparency of the water will fade.
Delicious "king of freshwater shrimp" - Roche shrimp
The history of roche shrimp farming in the mainland should be told from 1976, and after its introduction, it will be cultivated in the southern part of the mainland, of which Guangdong has developed the most rapidly. Relatively speaking, in terms of eating methods, Guangdong people are also the most developed.
Steamed braised pork is acceptable, and it is loved by diners because of its tender flesh. While it has the flavor of freshwater shrimp, it also has the delicious taste of crab yellow. The thick reproductive glands in the cephalothorax not only bring a rich amount of eggs, but also create a unique taste of Roche shrimp.
This freshwater shrimp, native to Southeast Asia, has a global farming footprint. Not picky eaters, fast growth rate, easy to raise, for farmers can be described as an excellent choice. Therefore, Roche shrimp has become one of the three most cultured shrimp species in the world, and is even known as the "freshwater shrimp king". As a common food for city dwellers, Roche shrimp shells are thin and thick, delicious and delicious, even in terms of nutritional value is second to none.
Low-fat, high-protein, multivitamin and trace elements are included, so delicious, it is no wonder so many diners flock to it. Even if there is no superb cooking, it can be very delicious just by boiling in water, who can not love it? However, it should be noted that the spoiled and discolored Roche shrimp is forbidden to eat, which will cause abdominal pain and diarrhea, and it is also necessary to avoid eating with foods with high vitamin C content.
The current situation of Roche shrimp
Domestically, roche shrimp costs two to three times as much as regular shrimp. Because it is not resistant to low temperatures, the requirements for dissolved oxygen in water are relatively high, so the number of aquaculture is limited, and naturally it is rare to be precious. What is the situation in Southeast Asia, which is the main production area?
In the eyes of the locals in Southeast Asia, roche shrimp can be described as a flood. Because of the lack of natural enemies, Roche shrimp can grow to the size of an adult's arm, and the number is staggering. When encountering experienced anglers, catching dozens of pounds a day is not a problem at all. Even if you are an "air force master", you can return here with a full load.
Relying only on the locals to eat themselves, far from catching up with the speed of roche shrimp reproduction, fishermen may not be able to catch other fish when fishing, only a large handful of roche shrimp, all over the street are sold at cabbage prices. You may think, the price of domestic Roche shrimp is so high, why not import from abroad, to solve the problem, but also to lay down the price of Roche shrimp?
Although they are all the same species, because of the different growing environments, the taste of foreign Roche shrimp is still different from that of China, and the fishy taste that cannot be eradicated is difficult for domestic consumers to accept. Moreover, the Mekong River was once a "three-way" zone, so it is inevitable that neighboring countries will dump industrial wastewater and industrial garbage into the Mekong River. In this way, do you dare to eat this shrimp?
And the import of fresh products, the procedures are also very cumbersome, need to be checked layer by layer to ensure safety. The consumption of time determines that Roche shrimp can only be transported by freezing, how can this taste be compared with fresh Roche shrimp? After all, we still have to consider the feelings of consumers.
On the other hand, the inflow of low-priced products is believed to be a big impact on the mainland's local aquaculture industry. So, in the face of the olive branches thrown by these countries in order to export Roche shrimp, we did not take it.
However, the recent occurrence of roche shrimp traces in southern waters is also a problem that needs attention. As a farmed shrimp species, if some of the shrimp in the "Shawshank" run out, will it cause harm to the native species? Just like crayfish, in our eyes, it is obviously a must-have drink in summer, how to eat and eat, it becomes a serious invasive species?
In fact, most of the crayfish that can be served on the table are artificially farmed. Once there is "escape" out, they can survive in various water bodies, forming populations very quickly, and it is easy to threaten the survival of other native species in water bodies. In addition to seizing the ecological niche of native species and causing a decrease in native species, it is also possible to destroy the original food chain and disrupt the ecological balance.
On the mainland, only certain areas classify it as an invasive species. In Japan, it is an alien species whose release, import and trafficking is explicitly prohibited. Therefore, the development of similar Roche shrimp does need people's attention.
After all, it is also a species with a good appetite, a good taste for eating, and a strong sense of territory. In the face of huge market demand and considerable profit returns, I believe that more and more people will invest in the cultivation of Roche shrimp.
When this roche shrimp, which is more courageous than the crayfish, pours into the open water in large numbers, the disaster may be immeasurable. In the Pearl River basin alone, more and more people are catching Roche shrimp in the wild. Of course, some people feel that this is inevitably too small to look at the power of our Chinese "foodies", and it is good not to eat it and become extinct, let alone to talk about flooding?
For now, the impact of Roche shrimp is still relatively small, and it has not shown much threat, but it cannot be taken lightly. It is hoped that while developing the aquaculture industry, preventive measures can also be strengthened. In case one day it really becomes an invasive species, eating alone will not solve the problem.
Well, for this delicious prawn, would you like to try it? Is there a roche shrimp for sale in your fish market? Welcome to leave a comment in the comment area, like the content of this issue, may wish to click a follow.
(The above pictures are from the Internet, invaded and deleted.) ）