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Goldfish blacken fins

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Why aquarium fish blacken :: aquarium fish die :: Care and nurture

Why aquarium fish turn black

Diseases of aquarium fish - a very common phenomenon. Aquatic inhabitants often die due to improper care. Less commonly, hereditary diseases may occur, which in most cases are incurable. Aquarium fish turn black, not only because of infections, but also because of poor water quality.

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Cold in fish


It may sound strange, but aquarium fish are also prone to colds. This happens, as a rule, because of too low water temperature. The first signs of a cold are folded fins and black spots on the gills.
The only method of treatment in this case is to provide the desired temperature, which must be at least 23 ° C. Please note that dramatically change the water is not recommended. The temperature should be raised only gradually. In some cases, the fish turn black due to genetic predisposition. If the behavior does not change, the appetite does not disappear, and the fish is active and mobile, then there is no cause for concern.

Branchiomycosis in fish


Branchiomycosis is a very dangerous disease for aquarium fish. A water inhabitant can die in just a few days. The main symptoms of such an infection are black bands along the body and in the head area. The fish at the same time becomes very slow and swims up the tail. Outwardly, it seems that her body alter the head.
Sick fish must be transplanted from their neighbors. Branchiomycosis is a contagious disease that can kill all the inhabitants of an aquarium in a short time. The best method of treatment is copper sulfate solution, which is added to the water with minimal dosages. If the fish overeat regularly, then the result may be their blackening. The main sign of overfeeding is considered sluggish behavior of aquatic inhabitants and swollen tummies.

Fin rot


The most common cause of black spots on aquarium fish is a disease called fin rot. The darkening of the body of the fish begins from the tips of the fins and the tail.
The causes of fin rot are many. The most common of these are inadequate housing conditions, too many fish in the aquarium, rare cleaning of the aquarium, severe water pollution.
To prevent fin rot, you should regularly monitor the condition of the aquarium. In no case should feed residues accumulate on the bottom. Otherwise, the water will become uninhabitable and will have a devastating effect on the fish.

Other causes of blackening fish


In rare cases, the cause of the blackening of the fish may be the larva of the cuticle. Infection is possible only if you, for example, have planted a representative of the river habitat to the aquarium fish.
Please note that some fish black spots appear gradually, but it is not a disease. A striking example can be called the Sword. Young fish have a lighter color. Gradually, the body turns black and multicolored dots appear.

My golden fish began to turn black fins and tail, as a black border around the edges looks! I'm worried about what it is?

And you do not know ... how?)

Black coloration may be a sign of stress in fish, but may also be the result of the action of fungi that cause fin rot. Watch the behavior of your fish.
Fin rot is a fairly popular disease in fish. This disease is caused by the wand Pseudomonas. It appears due to the poor condition of the water, as well as due to stress (you do something with the aquarium, the attack of other fish, the rotting of aquarium plants, etc.). The fish weakens the immune system and it can not fight with developing bacteria.
Treatment: with time, it may go away by itself if the condition of the water is improved How to do it: remove all plants from the aquarium, replace 20% of the water in the aquarium (3 times). Clean and wash the filter very carefully.
But this is not a panacea. Most importantly, you need to understand that you can cure fin rot by removing the stress factor. It is also not necessary to start this disease, because if the rot reaches the body of the fish, then for her it will be fatal.
Continuing the conversation about treatment: It is possible to cure this disease with salt baths. Here is this technology: for fish that love salt water, you need to add 1 tablespoon of salt per 5 liters of water, for most aquarium fish you need 3 teaspoons per 5 liters of water, and sensitive fish only 2 teaspoons. The time of taking such a bath is 30 minutes. Also for the treatment of this type of disease, antibiotics can be used.
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My first goldfish is black, and the second is not black.

Max

Golden young fish often have spots in the form of irregular stripes and spots on the body and fins. Spots grayish or black, but not thick black. Fish live well with them and over time the spots themselves disappear.
This sometimes happens when fish live in conditions that are not quite suitable for them. The chemical parameters of the water in your tank, I do not know, the water temperature should be 20-23 degrees. It would be good to do tests for ammonia and nitrite. Change water by 15-20% every other day for a week, then switch to normal mode — 25-30% water change 1 -2 times a week. In the water, you can add the drug - "anti-stress."
mine had it, it was bacterial fin rot, I cured my own, though mine felt pretty good, I put them in a separate aquarium, special conditions for gold, + buy the drug in spec. the store. Unfortunately, I don’t remember the name, but a drug of this purpose disinfects the water in the aquarium, cures bacterial diseases, (yes, and this drug paints the water in blue-green color)

Tasha

The light here is completely irrelevant. If the fish are young - perhaps this is a natural change in pigmentation, it happens. Another option is a reaction to the presence of nitrogen in water - ammonia and / or nitrite. In gold aquariums, they often accumulate if the fish are cramped or the aquarium has been recently launched. Detailed article on goldfish:

Why is my goldfish blackened? is it a disease how to treat?

Maria

Golden young fish often have spots in the form of irregular stripes and spots on the body and fins. Spots grayish or black, but not thick black. Fish live well with them and over time the spots themselves disappear.
This sometimes happens when fish live in conditions that are not quite suitable for them. The chemical parameters of the water in your tank, I do not know, the water temperature should be 20-23 degrees. It would be good to do tests for ammonia and nitrite. Change water by 15-20% every other day for a week, then switch to normal mode — 25-30% water change 1 -2 times a week. In the water, you can add the drug - "anti-stress."

Lelka

Did you take a small fish? Probably, you got golden calico colors, with age this happens: while small ones appear golden and then dark spots of irregular shape appear (this is the calico color)

Gold gills began to turn black gills !! ! What to do?

Irina Vakhraneva

Gas embolism. The excess of air bubbles in the water leads to the fact that tiny bubbles can penetrate into the gills of fish. The blockage of blood vessels with these vesicles leads to the occurrence of local hemorrhages. In fish affected by embolism, the gills darken, blood swelling appears on the body and fins. With a strong blockage of vessels, ulcers and the death of fish may occur.
Treatment: immediate transfer of fish to normal conditions. Reduce the air flow from the compressor several times by placing a clamp on the tube. When replacing water, use only separated water, the volume of fresh water is not more than 1/5 of the total volume of the aquarium. You can speed up the release of bubbles by heating water, but do not get carried away - cold-water goldfish. Good luck!

The goldfish blackened first fins, and then part of the calf and soon she died. The rest are healthy. What is it?

Olga Romanova

mine had it, it was bacterial fin rot, I cured my own, though mine felt pretty good, I put them in a separate aquarium, special conditions for gold, + buy the drug in spec. the store. Unfortunately, I don’t remember the name, but a drug of this purpose disinfects the water in the aquarium, cures bacterial diseases, (yes, and this drug paints the water in blue-green color)

Vladmin

answer: infection.
wash banks with a capacity of 1l
then pour specially clean water (how to prepare the water for the aquarium correctly, read on the special sites of aquarium lovers).
and then each fish in a separate jar to determine which of the fish is also infected and will die soon, and the rest will not.
the sooner you start to “clean the aquarium”, the sooner you will “save the fish”.

Fallen from the broomstick

This sometimes happens when fish live in conditions that are not quite suitable for them. What is the volume of the aquarium? Sk-ko fishes? What are the chemical parameters of water in your tank? Temperature? for gold 20-23 degrees optimal. It would be good to do tests for ammonia and nitrite. Change the water by 15-20% every other day for a week, then switch to normal mode — 25-30% water change 1 -2 times a week. In the water, you can add the drug - "anti-stress."

In the aquarium, 2 goldfish, acquired recently. One fish caught on well, and the other began to turn black scales.

Lena Mironova

urgently buy antipar. and drip according to the instructions. maybe you have time to save. it had to be done as soon as the fins began to turn black.
the second can also become infected. In general, goldfish are very viable. The main thing is that everything is arranged correctly in aquas-filter, aerator. no excess feed, timely cleaning of the filter (with gold much more often than with others. These fish are garbage). temperature is better than 24 degrees. but if the fish is sick, then raise to 26.
there was no sense to drop off healthy.
immediately return the fish to the main aquarium and treat both with antipar.
about blackening, most likely the fish is obsessed with chintz colors. hence the color.

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