Which freshwater fish has fewer parasites? What are the common parasites in fish?

Freshwater fish. During the fishing moratorium, it was a good supplement for me, a seaside person who loves fish. At home, you basically have to buy one every three or five days to satisfy your cravings.

Although freshwater fish is not as fresh as seawater fish, freshwater fish has the advantage that the taste is more fragrant than saltwater fish, and the freshwater fish is large and the price is low, so it is good to choose freshwater fish when there is no marine fish. Which freshwater fish parasite.

Few? First, freshwater fish are divided into three types according to their habits: Worrying fish that live on the upper surface: such as the common silver carp.

Fat heads, etc. Omnivorous pelagic fish that live in the middle and lower pelagics: carp, crucian carp, catfish, these fish are all species. Carnivorous demersal fish: These are very ferocious freshwater fish, but they are also the most delicious freshwater fish, such as mandarin fish.

Blackfish, etc. Freshwater fish can also be divided into scaly and non-scaled fish according to scaly and non-scaled fish.

Both. Carnivorous fish are more delicious than omnivorous, and omnivorous fish are more delicious than food-conscious, as you can see by looking at the price.

<> Second, which freshwater fish has fewer parasitesFreshwater fish has parasites is mainly related to the waters in which it lives, if freshwater fish live in clean and clean running water, there are fewer natural parasites. On the contrary, there are many freshwater fish parasites in places where the water is seriously polluted and the water is turbid. There are more parasites in freshwater fish produced in places with high water temperatures, as well as freshwater fish caught in summer, while freshwater fish produced in cold-water waters such as Heilongjiang and Jilin have fewer natural parasites.

The species and habits of freshwater fish also determine the number of parasites, and generally scaly fish have fewer natural parasites because of the protection of scales. Scaleless fish live in the bottom sediment, and there must be more parasites, such as: catfish, yellow eel, etc.

I think freshwater fish with fewer parasites, grass carp and silver carp are fine. After all, they live in the upper layer of the water and eat grass and food, so they are not very likely to be infected with parasites, and there are mandarin fish that like to live in flowing clear water. It is not terrible for freshwater fish to have parasites, as long as they are simmered at high temperatures when eaten, then the parasites will be killed.

As long as freshwater fish is not eaten raw, and does not buy places with serious water pollution, there is basically no problem.

In my experience of eating fish, catfish, yellow eel, grass carp, these fish that live in the upper layer have fewer parasites because they only eat aquatic plants. However, if it is stewed at a high temperature, the parasites in freshwater fish are also killed, so there is no need to worry about food safety.

Crucian carp, crucian carp only live in extremely clear water, if the water is dirty, it will not survive, so crucian carp, a freshwater fish, has fewer parasites.

One is sea bass, because it likes clear and slow-flowing water, the water quality requirements are relatively high, mainly eating small fish and shrimp, containing fewer parasites. The second is the mandarin fish, which also lives at the bottom of the rivers and lakes with clear water, the mandarin fish grows relatively slowly, is a carnivorous fish, and contains few parasites.

Fish parasites can be divided into two categories according to the part they parasitize:

1. Internal parasites.

This type of parasite parasitizes the internal organs, blood, intestines, and other tissues of aquatic animals, such as Emmy, various tapeworms, schistosomiasis, etc.

2. Ectoparasites.

This type of parasite parasitizes the body surface, gills, fins, etc. of aquatic animals, such as ring worms, anchorhead eels, fish sharks, etc.

When selecting anti-parasitic drugs, it is necessary to understand and master the mechanism of action of the drug on the worm, the toxicity to the parasite and the role in the host.

Parasitic drugs can be divided into antiprotozoal drugs, crusticidal drugs, antihelminthic drugs and pesticide drugs.

Cryptotrichosomiasis

Cryptowhip gill or triverium parasitizes the gills of fish, and the fish body is clinically blackened, the gill filaments are bright red, and there is a lot of gray-white mucus. Parasitic on the surface of the fish, the fish body is emaciated. It mainly harms summer grass carp, mrigal and carp fry.

Mouth filaria

The diseased fish has no obvious symptoms at the beginning, and when the disease is severe, the body color turns black, obviously emaciated, swims slowly, has difficulty breathing, and the gills and ** are covered with a layer of gray-white mucus. The gill filaments are pale red or **congested and inflamed, and the scales are easy to fall off.

Wheel worm

The wheel worm invades the body and gills of the fish, absorbs the tissue cells for nutrition, and seriously damages the ** and gill tissues of the juveniles. Diseased fish show weakness and emaciation, swim alone, reduce food, and move slowly, which can lead to fish death in severe cases.

Fish fish

Bedbug-like or rice-grain-like large insect bodies can be seen on the body surface of diseased fish, with red spots on the head of the fish, and the body of the fish is pale green, restless, and the group of water surface jumps and swims rapidly.

Chinese eel

With the naked eye, small maggot-like worms are hanging from the ends of the gill filaments, and the sick fish is restless, jumping in the water, and sometimes the tail is straight out of the water.

Oblique tube worm

The oblique tube worm invades the ** or gill tissue of the fish, and the affected area secretes a large amount of white mucus, which seems to have a light blue film. Sick fish reduce food, lose weight, have difficulty breathing, and float on the surface.

Coccidia

The appearance of the sick fish has no obvious symptoms, only loss of appetite. Dissection of the intestine reveals small grayish-white nodules on the intestinal lining with ulceration around the nodules or intestinal perforation.

Summary. Hello dear! We'll be happy to help you solve your problem<>

Than the heart] [than the heart].

Ectoparasitic infections are the most common diseases in tropical fish rearing, such as white spots, velvet disease, ** and gill flukes, others such as fish lice, etc.

Generally speaking, the quarantine of tropical fish is mainly to remove ectoparasites.

What are the parasites of tropical fish?

Hello dear! We'll be happy to help you solve your problem<>

Ectoparasitic infections are the most common diseases in tropical fish rearing, such as white spots, velvet disease, ** and gill flukes, and others such as fish lice. Generally speaking, the quarantine of tropical fish is mainly to remove ectoparasites.

What is the best medicine, oxytetracycline will not work.

Hello dear! If tropical fish have parasites, you can use potassium permanganate, dicazuride, trichlorfon, fibroxin, copper sulfate, zinc sulfate, mebendazole, octanolic acid, praziquantel, intestinal worm clear and other drugs. Oxytetracycline also has a certain effect.

There are many parasites in raw fish, and it is difficult to remove them without high temperature, so it is recommended not to eat them raw.

Garlic, spirits, and mustard are not completely able to destroy parasites.

The parasite matures and lays eggs in the body, and the hatched larvae can pass through the intestinal wall into the abdominal cavity, transfer to other parts of the human body, or transfer from the liver to the lungs, or through the common carotid artery to the human brain, different parasites have different characteristics.

Different types of parasites may occur when ingesting different undercooked foods. For example, ingestion of undercooked sashimi can cause Angiostrongyloides cantonensis, liver flukes, and Anisakis infections. Eating undercooked meat can cause liver flukes, fasciola ginger worms, and tapeworm infections.

According to the specific problem type, the steps are disassembled, the cause is analyzed, the content is expanded, etc.

The specific steps are as follows: The main reasons for this situation are:

Fish are born with parasites.

The environment in which fish grows determines the risk of parasites in their bodies. In fact, fish growing in all environments are at risk of carrying parasites, due to the fact that mammals in the water can provide a certain environment for parasites to grow in their secretions. These parasites attach to other organisms and can be eaten by fish, which in turn can carry the parasites.

Fish living in the ocean, especially in deep-sea environments, despite their higher salt content and cleaner surroundings, do not make deep-sea fish less likely to carry parasites than freshwater fish, let alone those that inhabit poor water quality environments. There are many kinds of fish parasites, such as ring worms, wheel worms, nematodes, anchor head eels, etc., although most of the sashimi used for sashimi are marine fish, not as many as freshwater fish parasites, but there is still a risk of parasite infection.

Yusheng Specialty Species:

1. Sashimi sheng.

Sanming Yusheng is a traditional famous dish in Sanming Ninghua, Fujian, which has a history of more than 3,000 years. Sanming Ninghua Hakka sashimi was selected as one of the "Top Ten Famous Dishes in Fujian".

2. Wuhua Yusheng.

The fish made by the Hakka people in Wuhua in Guangdong Province is river fish and freshwater fish. Wuhua Yusheng generally uses grass carp to make Yusheng, and the treatment of fish is also quite particular. First, the scales are removed, the internal organs are removed, the skin and bones are removed, and the blood is smeared, and the sliced fish is generally placed on a round bamboo dustpan, and the cut fish is evenly placed on a sieve.

Use garlic vinegar made of garlic and vinegar to make the fish raw again, soak the garlic vinegar of the raw fish and put it into a bowl with peanut oil, adjust your favorite ingredients, you can put peanuts, chili, nine-story tower, ginger shreds, white sesame seeds and other ingredients to stir the raw fish and even the skin chain evenly into the mouth.

3. Eight treasure fish sheng.

Some towns and villages in the Hakka area of Longchuan, Heyuan, Guangdong Province have the habit of eating yusheng, which has a history of hundreds of years and can be eaten in many places today. Longchuan's Babao Yusheng, the main ingredient is Yusheng slices, which is generally made of more than three catties of Anhui fish, with tea oil, salt powder, ginger shreds, garlic paste, sesame, Houttuynia cordata, fried rice grains, peanuts and other eight kinds of ingredients, so it is also called "Babao Yusheng".