Harbin citizens bought a few fish at the morning market a few days ago... It turned out that there was a flat white object about 20 centimeters long in the stomach of the crucian carp, and when it was taken out, it was found that it was actually alive! [Surprised] Later, after preliminary identification by experts, it was found that this is a tongue tapeworm, mainly infected with carp, crucian carp, grass carp, silver carp...
So is there such a fish in Yuxi? Come to see the netizens' breaking news, as early as 2014, there were netizens in the Zhuge market to buy.
Cut open the belly of the fish
Parasites removed from the belly of the fish
The longest one is 40 cm
What is this worm?
This is a common animal parasite tapeworm, is a huge intestinal parasite, tapeworm parasitizes the order Tapeworm its adult body length, flat as a ribbon, mostly segmented, white or milky white, body length due to different species can be several millimeters to several meters, ordinary adult body length can reach 1-10 meters. 1 order of the phylum Oblates. All camp parasitic life. Adults parasitize in vertebrates, and the larvae predominantly parasitize invertebrates or use vertebrates as intermediate hosts.
Adults parasitize in the intestines of water birds, and fish are its second intermediate host. Its eggs are discharged into the water along with the bird's feces, in which they hatch hook-bulb clyps, which swim freely in the water and develop into protocopods after being swallowed by the fleas. After the fish swallowed the water fleas infected with protococcylds, the protococcal larvae passed through the intestinal wall of the fish to reach the body cavity and developed into tongue tapeworms.
These aquatic products are prone to parasites
Whether there are parasites on the fish is related to the species of the fish, the growth environment, and the parasite prevention measures. When buying fish, pay attention to whether there are red spots on the fish, whether there are abnormal swelling in the abdomen, whether there are abnormalities in the fins, eyes and other parts, and if so, there may be parasites.
In addition, fish, crayfish, field chickens, turtles, snails, crabs, etc. are the most easily hidden by parasites. Among them, the gills and long-haired feet of hairy crabs may be parasites. Because of the poor quality of living water, crayfish may also parasitize lung flukes in the body. Once lung flukes are parasitic in the lungs of people, the mild ones can manifest as cough, chest pain, hemoptysis, and severe cases may cause heavy bleeding in the lungs and block the organs.
Deep-sea fish such as salmon, salmon, tuna, cod, etc., are hosts of xenocephalus. Freshwater fish such as the wheat ear fish and the rainbow trout, which is often used to impersonate salmon, often parasitize liver flukes.
What should I do if I buy a fish with parasites?
In fact, the parasite itself is not terrible, as long as the treatment method is appropriate, the fish is fully heated and cooked when the fish is cooked, and the parasite is killed (but still do not eat well).
The best way to prevent fish parasites is to refuse raw food, whether it is marine fish, seafood or freshwater fish, freshwater aquatic products, high temperature is the most effective way to kill parasites in their bodies. In general, heating to 60 degrees Celsius can kill most of the parasites, and heating to more than 100 degrees Celsius for 2 minutes ensures that all larvae are killed!
When buying fish, Yuxi friends must pay attention and see clearly when they go home to wash it.
Yuxi that little thing WeChat: ynyxnds