Why do crocodiles appear frequently in many places in the country?Once as an online and offline sale of online and offline, experts have called for strengthening and management

"Strange Fish" Crocodile Trone Tu Source Network

Cover Journalist Song Xiao

More than a month ago, a "strange fish" appeared in Yunzen Lake, Central Park, Ruzhou City, Henan Province. In order to arrest this "strange fish", the relevant departments did not hesitate to dry the lake water, and then identified that the "strange fish" was confirmed to be foreign species crocodile. On the evening of August 26, the crocodile was finally caught and was harmless.

Following Ruzhou's "dry lake and caught crocodile croaks", Beijing, Hunan, Ningxia, Guangxi, Shandong and other places have also reported to find that crocodile crickets have been found. They mostly appear in the public river or park of the city. Caused a certain impact. So, where do these crocodile crickets come from? Where to go? Why use a lot of manpower and material resources to catch it?

Ruzhou, Henan Province, dry lake water to arrest the crocodile town crickets

On August 29, the reporter browsed on the e -commerce platform and found that crocodile crickets were sold on the Internet as ornamental fish, and the sales volume was good. After going through the storm for nearly a month, some merchants told reporters that the crocodile crickets in the store have been removed from the shelves, and the supply cannot be found. Their specific flow.

Gu Dangen, an associate researcher at the Pearl River Aquatic Research Institute of the Chinese Academy of Aquatic Sciences, told the cover reporter that raising crocodiles is a kind of "personality" to many people, but it will also cause random release and discarding.

The source of the crocodile cricket "Mystery":

Online sales and quotation are the main channels

Related information shows that crocodile crickets are native to North America and are a kind of freshwater giant carnivorous fish. The body length of adults can generally grow to 1.5 meters. It is fierce and lacks natural enemies. egg.

In addition, after being placed in the water, as long as it is living, it is almost all eaten. Because the whole body has hard fish scales, it can help it avoid the predation of many fierce meat animals. Therefore, it has almost no "natural enemy" in most waters. Essence

In February 2019, there were large "strange fish" suspected of crocodile crickets in Baiyun Lake in Guangzhou. At that time, the Pearl River Aquatic Research Institute of the Chinese Academy of Aquatic Sciences used the paddling method+dragging method, supplemented by the net method, and supplemented by the network method. The crocodile tail weighing was 5 kg, and later continued to implement a fence on the area of ​​the Wewei.com, and finally successfully captured a "bending bow bow back" crocodile bird with a length of 1.2 meters long and weighed 10 kg. Both crocodile birds were brought back to the Pearl River as soon as possible.

According to the institute, in recent years, crocodile crickets have appeared many times in many natural waters across the country. They have been discovered in Foshan, Shenzhen, Guangzhou, Zhaoqing, and Guangxi, Zhejiang, Sichuan and other places in Guangdong. It is amazing and its fertility is equally amazing.

On August 29, the associate researcher of the Pearl River Aquatic Research Institute of the Chinese Academy of Aquatic Sciences and the experts of the National Grand Freshwater Fish Industry Technical System Invasion and Control Positions, Gu Denan told the cover journalist that the ornamental fish markets and farms across the country were breeding. The related varieties of crocodile crickets are easier to buy online and offline, and the conventional sale and purchasing crocodile crickets do not violate the law. He believes that "the reason why crocodile can quickly appear in many places across the country is that one of them is an important reason. Consumer purchase threshold is low, but the release behavior is out of control. "

On August 28, the reporter searched for "crocodile" on the e -commerce platform and found that many merchants were selling.

Most of the online sales channels are hardware and home stores

Some merchants say that the goods have been removed

On August 28, the reporter searched for keywords such as crocodile crickets on the e -commerce platform and found that crocodile crickets were sold on the Internet as ornamental fish and pets. Most of these merchants sell crocodile sparrows in the words of fish tanks, fry and live fish. Some merchants are hardware stores and home furnishing stores. However, in the business scope, there is an introduction to sell living small fish.

The prices of crocodiles sold by these merchants ranging from 20-100 yuan, and they also call them "blessing crocodiles" and "birds". A crocodile croak with a length of 18-20 cm in a tail, the price is 89.6 yuan, and the shipping cost is 10 yuan. In the merchant's publicity poster, "it is forbidden for home support."

The crocodile cricket has been removed on the e -commerce platform

On August 29, the reporter searched on the e -commerce platform and found that many platforms about the living small fish fry of crocodile crickets have been removed and switched to selling solid animal models and toys. The reporter consulted the shop customer service as a buyer. The customer service said that the supply of crocodile crickets has been removed on the platform. Some merchants said that because crocodile catlifests are currently in the epidemic area and cannot be shipped for the time being. Some merchants also told reporters that they can ship the goods. If they cannot send the goods, they will contact the buyer in advance, and also remind the buyer, "After arriving, you can take a picture of the box to contact us."

The reporter found that these merchants not only sell crocodiles, but also sell medium and large fish such as cold water fish, sweat sharks, pointed crocodiles, and fierce fish. Most of the shipments are in Ningbo and Guangzhou, Zhejiang.

Experts appeal: Strengthening and management

Don't release and discard at will

The crocodile town native to North America is suitable for living in tropical regions. Gu Denan, an associate researcher at the Institute of Pearl River Aquatic Research Institute of the Pearl River Aquatic Research Institute of the Pearl River Aquatic Research Institute of China, and the experts of foreign species invasion and control positions of foreign species in the national community. The frequency of crocodile crickets appears more frequently in the natural waters. "Among these two types of birds, crocodile crickets are the biggest, most fierce, and the most dangerous." Introduction, its special form meets the consumer's strange psychology, but the crocodile cricket grows rapidly. Many people will discard it because they cannot provide enough space to raise it. Often because the growth rate is too fast, the aquarium can not accommodate, resulting in more people's release. "He believes that the conclusions that can now appear is that the crocodile crickets that appear in many natural waters in my country are basically artificially human. Play.

In January 2021, the five departments such as the Ministry of Agriculture and Rural Affairs jointly issued the "Further Strengthening the Prevention and Control Work Plan for Foreign Species", which mentioned that it is necessary The comprehensive governance of aquatic foreign invasion of species, and the "Administrative Measures for Foreign Invasion Species" implemented from August 1st this year stipulates that the customs should strengthen the prevention and control of foreign invasion ports, and illegally introduce illegal introduction, carrying, delivery, smuggling foreign species and other illegal behaviors Perform strikes. Foreign invasion species and foreign species with an evaluation risk are handled according to law. "However, the crocodile bird can still be easily purchased in the market online and offline, so you need to strengthen supervision and restraint from the source."

Gu Dang's analysis said that it is necessary to control the source of the sale of crocodile crickets. It is necessary to have the market with demand, but strictly managed the market sales channels for sale of crocodile crickets, which can reduce subsequent human release links. Twapa is often discarded or released in the wild by the breeder, causing harm. "The Pearl River Aquatic Research Institute of the Chinese Academy of Aquatic Sciences has also made an appeal to strengthen the species and management of high -risk aquatic organisms such as crocodile crickets, and formulate corresponding corresponding to the corresponding. Management regulations are prohibited from the species and breeding of high -risk foreign aquatic creatures. At the same time, we will strengthen the popular science propaganda of foreign species, promote the understanding of foreign aquatic creatures in the whole society, reduce human release, and jointly participate in the prevention and control of foreign aquatic creatures.

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