18, netizens photographed a stall owner selling poisonous crabs in a market in Wenchang.
Local municipal supervision office: will go to the market for research.
"Today, I walked around the market in the town and found an aquatic product stall selling poisonous upright clean crabs!" Because of the recent incident of "blue-ringed octopus" mixed with hot pot dishes, a video released by a netizen in Wenchang, Hainan on June 5438+ 10/8 quickly attracted attention.
On the morning of 19, the upstream journalist contacted Mr. Fu, the netizen who posted the post. After verification, he saw a stall selling suspected upright clean crabs in the eastern suburb of Wenchang, Hainan. According to Mr. Fu, "I didn't know about the incorruptible crab myself before, but I didn't know until I saw it posted by a netizen. At that time, I reminded my boss that this crab is poisonous and cannot be sold! "
"But the boss confidently said that it is sold every day. I have never heard of a customer who bought it and ate it. The boss also stressed that this crab is called rouge crab. " Mr. Fu said that he was from Wenchang, but in reality he had never heard of anyone being poisoned. "The Internet is saying that it is poisonous. What is this? "
As confused as Mr. Fu is the director of the Eastern Suburb Institute of Wenchang Municipal Market Supervision Administration. /kloc-on the morning of 0/9, after receiving the information reflected by the upstream journalists, he said that he had never heard of the local crab poisoning. "We don't know much about this crab. If it is on the list of prohibited sales, the stall owner will definitely not sell it. Let's go to the market right away to check it out. "
The upstream journalist contacted V Zhang Xu, a popular science expert who specializes in crabs. At present, entrusted by Dongzhaigang National Nature Reserve in Hainan, he and his team members have conducted a crab diversity survey of 1 year, and they are very familiar with crabs in Hainan. After seeing the video, he confirmed to the reporter: "This is integrity."
The upright and clean crab photographed by Zhang Xu in Sanya, Hainan.
A citizen of Haikou was admitted to hospital after eating poisonous crabs by mistake.
Zhang Xu introduced that crabs themselves do not have the ability to produce toxins. The toxins in its body mainly come from food accumulation. Most poisonous crabs feed on algae or shellfish. When it eats poisonous algae or shellfish, these toxins will accumulate in its body, mainly tetrodotoxin and meretrix.
"In Fujian, Guangdong, Hainan and other places in China, Zheng Zhi Aijie Crab and another poisonous fine-grained Aijie Crab are often sold as bread crabs. Although there are occasional reports of poisoning, there is no record of death. " Zhang Xu said that a large number of cases showed poisoning symptoms within 3 hours after eating crabs, accompanied by nausea, followed by severe vomiting and diarrhea, dizziness, lethargy, weakness of limbs, numbness of lips, muscle paralysis and other symptoms.
The upstream journalist noticed that in May 2020, Hainan Special Zone Daily reported that Zhang, a 40-year-old citizen, was admitted to the emergency department of Hainan Cancer Hospital because he mistakenly bought an honest and clean crab as a bread crab, resulting in serious food poisoning.
20021April, local netizens in Zhanjiang, Guangdong Province also broke the news that two residents in Nanshan Town, xuwen county were seriously poisoned by eating another poisonous crab family "copper cast like a crab" and were sent to ICU for rescue.
Related reports of Hainan Special Zone Daily
Expert advice: Don't try strange crabs.
In recent years, on social platforms such as Weibo, Xiaohongshu, and Bili Bili, some netizens or video bloggers posted that they had eaten crabs by mistake or almost by mistake, but the eaters did not show symptoms of poisoning. In response to similar questions from netizens, V Zhang Chenliang, a famous master of popular science at that time, made it clear that whether a crab is poisonous or not depends on its food. If food is poisonous, it is poisonous. This kind of crab is best not to eat. "
Zhang Xu also reminded, "Studies have shown that the increase in the number of toxic algae or shellfish in some seasons will increase the toxin content in crabs during this time."
Zhang Xu said that among the 530 recorded cases of crab poisoning in the world, 37 cases still died, and the lethal dose was usually related to the consumption.
So how to quickly identify poisonous crabs? Zhang Xu introduced that these poisonous crabs usually have one feature: thick and hard shells, thick claws and black instructions. Of course, this is not an absolute basis. "For your own safety, I suggest you don't try those strange crabs curiously, but choose to eat those ordinary crabs."
Upstream journalist Tang Hao