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Anonymous users2024-02-12The appearance of black patches on the koi is undoubtedly a black spot. The so-called black spot is actually some parasites, not infectious diseases, but it needs to be treated in time. Here's a detailed explanation of dark spot disease.
Black spot disease (Pyranomacus picophyllum and other species) 1Signs of infection.
Small black or brown spots, up to 2 mm wide, appear on the body and fins, and sometimes on the eyes and mouth.
2.Infection in detail.
Spots are cysts containing larval intestinal flukes, such as Pyrocatodes piscinatorium, which have heavy pigment. The larval stage is also known as the picodium fluke. Adult bugs live in the intestines of waterfowl, which are infested by eating fish that harbor larvae.
In the guts of the waterfowl, the membranes that surround each larva spread out, and the worms mature after a few weeks. The eggs laid by the adult worms are excreted in the excrement of the bird, and the eggs that fall into the water develop into free-swimming larvae, which parasitize the snails. After a few weeks, the parasite leaves the snail and begins another cycle of sending a suitable fish host.
When the parasite reaches about 1 mm wide, a black membrane grows on each bug's body, forming unique spots under **. Mild black spot infection is not harmful to fish, because the life cycle and environmental conditions are complex, and black spot disease will not be transmitted from one fish to another.
In general, drugs have poor penetration of the cyst, and even if drugs are used, they are basically ineffective.
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Anonymous users2024-02-11There may have been a superficial injury to the fish; [Frostbite; It doesn't matter if the hand grips too tightly; There is also a change in the gene;
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Anonymous users2024-02-10Don't worry, wait for the water quality to stabilize before taking a look. This is also the case with my fish!
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Anonymous users2024-02-09Pay close attention, look at the eating and life of the fish, if the food is normal, there is no rapid swimming, running around, do not worry too much, there may be pigmentation, the general fish body long black spots, more in the red fish or other colors of the fish appeared, try not to take the medicine first, to see if the water quality has a peculiar smell, whether it is clear.
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Anonymous users2024-02-081. What is the matter with black spots on the koi fish.
2. What is the matter with black spots on koi fish?
3. What is the matter with black spots on the koi fish?
4. What should I do if there are black spots on the koi fish?
1.There are many reasons that can cause koi fish to produce dark spots, which may be caused by water quality and other reasons, which are mostly seen in water pollution or excessive nitrifying bacteria.
2.Second, it should also be considered whether there is too much algae in the water body, and secondly, it is necessary to consider whether it is caused by parasitic infections, which are more commonly caused by trematodes pijuxinburi and other parasites, and usually, anthelmintic drugs are needed to kill them.
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Anonymous users2024-02-071.Red spots on koi fish are mostly caused by erythroderma.
2.Erythroderia is a bacterial infection.
3.After the disease, the congested and inflamed body of the koi will have a large surface of the basal accumulation, and the dorsal fin and caudal fin will also have congestion at the base of the finger fins, accompanied by the loss of scales.
4.When koi fish are found to be suffering from erythroderma, the fish can be soaked once a day for an hour at a time by dissolving erythromycin in water.
5.Generally, the diseased fish will be ** in about a week.
The color of koi manure varies according to the fish food fed, such as pellet feed, puffed feed, self-formulated feed, bread, steamed bread, rice, vegetables, etc. Generally, the feeding is puffed material, and the discharge of black or dark feces is normal, if the feces are light or gray-white feces, it proves that the amount of food is too much, the koi has indigestion, or the koi has an intestinal infection. It is recommended to put less feed in fish tank breeding koi to avoid indigestion and deterioration of water quality!
a. Sprinkle 250 grams of salt and 250 grams of baking soda mixture on a 100cmx55cmx45cm fish tank, insist on several times, and the effect is remarkable. b. Dissolve malachite green grams or methylene blue in 100 kg of water, soak the fish body for 10 20 minutes, and the mycelium can be seen to fall off after a few days. Extremely common aquarium fish diseases. >>>More
In general, the reasons for dark spots in fish are as follows: >>>More
It is really difficult to cure a fish disease, because the constitution of the sick fish is very weak, and the fish disease will be more serious if the medicine is not used properly. Fish diseases are mainly caused by long-term poor water quality, just like people, if they live in an environment with poor air for a long time, they are also prone to get sick. Clear water does not mean that there is no ammonia poison in the water, the key to raising good fish is filtration, filtration is to filter fish feces, the toxins in the water are produced by fish feces, and only by removing the ammonia of fish feces can the water body be stable and clear, and the fish can be healthy and less sick. >>>More
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