How big was the koi fish when it died?

One koi was about seven inches (18 cm) and he held out long, but finally died, leaving just the one koi left. Two days later, that 12 inch (30 cm) koi died. When no fish were left, suddenly the water got extremely clear.

Why are my Koi’s eyes only appearing affected?

This koi shows similar symptoms to mine, with the koi’s eyes only appearing affected. All the fish in this pond were similar but in less than a week they made a full recovery. The owner was unable to pinpoint an answer for the outbreak as water quality seemed good, other than it was a new pond and the fish were still suffering from stress.

Is it possible to stop the death of Koi?

Many times you may find that this alone will halt any symptoms and/or stop any further symptoms or deaths. You cannot begin to treat any fish unless the water is perfect. Otherwise you will be drastically reducing your chances of success.

How long does it take for Koi to perk up after correcting water?

This time, however, after you correct the water quality problem, all the fish or remaining fish survive. A few days after correcting the water they start to perk up some and act better. At this point you may think all is well and pat yourself on the back for a job well done! Now two to three weeks passes after the initial problem.

What causes Koi to die in the water?

Koi that do not eat, that are listless or that have lost color vibrancy should be checked for parasites. 1). Poor Water Quality – The number one cause of koi death is poor water quality. The quality of the water your fish live in will ultimately determine how long the fish will live.

What are the early signs of Koi disease?

Signs of Koi Disease. There are several ‘early warning signs’ that indicate that your fish may be under attack from parasites or bacteria. The first sign of a problem usually starts with one fish that segregates itself from the rest of the school, often hanging listlessly near the surface of the water.

What causes goldfish and Koi disease in ponds?

Occasionally, goldfish and koi disease occurs in ponds as fish fall prey to parasitic, bacterial or fungal attacks. The causes of fish diseases are varied and can range from a sudden drop in water temperature, predator attacks and spawning to name a few.

This time, however, after you correct the water quality problem, all the fish or remaining fish survive. A few days after correcting the water they start to perk up some and act better. At this point you may think all is well and pat yourself on the back for a job well done! Now two to three weeks passes after the initial problem.

Do you need to be concerned about other Koi?

Yes, you should be concerned about they other Koi. Depending on the size of the fish it could be a water quality issue and you may need to start finding them new homes or trading them in at the pet store. Koi will rather quickly out grow a 55 gallon tank and death of fish will be the outcome of the over crowding.

How did my Koi get out of the tank?

About a week later all of the koi started gasping at the top. So I changed the water and left out the chemical treatment and all of the koi stop the gasping. The sick koi started getting better for another week, but after that he just stayed at the bottom of the tank and only swam to get food.

Why did one of my Koi stop eating?

One of the koi started losing his colour and stopped eating. For about a week he was at the top looking like he needed air, so we started airating the tank more, but his condition didn’t improve. When he did eat he would spit out every other piece and started convulsing. About a week later all of the koi started gasping at the top.

Why was my koi at the bottom of the tank?

The sick koi started getting better for another week, but after that he just stayed at the bottom of the tank and only swam to get food. He was gaining weight and looking better, but then I walked down one morning and he was dead. Should I be worried about the other 3 koi catching what he did?

Yes, you should be concerned about they other Koi. Depending on the size of the fish it could be a water quality issue and you may need to start finding them new homes or trading them in at the pet store. Koi will rather quickly out grow a 55 gallon tank and death of fish will be the outcome of the over crowding.

How often do you change the water in a koi tank?

We do a water change (25-30%) every week, along with cleaning out the filter, and change the medias every month. We stopped adding the chemicals or salt because it seemed to be making the koi worse. The water we use to change the tank out with is run through an RO filter, so it is purified water we use.

What kind of salt do you put on koi fish?

You’ll need to get a bigger tank or a pond set-up. Last, after you do a partial water change, add eleven tablespoons of non-iodized (plain or Kosher) salt to the water. Be careful not to pour any directly onto the Koi. Salt helps improve gill function, and it also kills diseases.

What happens if koi carp is left untreated?

It is primarily harmful to individual koi carps rather than a whole collection and usually occurs during late winter and early spring. If left untreated, it may have irreversible effects on the fish and may cause death. It may result in kidney enlargement, which can lead to kidney failure.

What kind of disease does a koi fish have?

It also includes septicaemia, also known as blood poisoning, where the bacterial toxins exist inside various koi fish’s organs and skin ulcers on fish. Aeromonas hydrophila is commonly sequestered from water fish ponds.

How big is my pond with koi fish?

It is a triangle shape about 10’x12’x15′ (3 m x 3.6 m x 4.5 m) by two feet (70 cm) deep. For years I have had two koi, random other pond fish, and some carnival won goldfish. The last three years or so frogs have found a home here too. I have a waterfall and a couple plants.

When to know if your Koi has health problems?

The key is to learn to recognize these symptoms well before the situation becomes dire and well before it may be too late. If you keep fish for any length of time, you WILL have problems with their health at some point most likely. This is especially true with Koi primarily because they can live for 40-60 years!

Many times you may find that this alone will halt any symptoms and/or stop any further symptoms or deaths. You cannot begin to treat any fish unless the water is perfect. Otherwise you will be drastically reducing your chances of success.

How to treat koi carp with malachite green?

Soak the koi carp’s body with 0.2 to 0.4 ppm of malachite green. Create a mixture of 400 ppm to 500 ppm of salt and 400 ppm to 500 ppm of sodium hydrogen carbonate and then apply it to the infected koi carp’s body. Gradually increase the water temperature to mid-80s Fahrenheit whilst raising aeration.

When is the peak of koi carp disease?

It starts in April and usually ends in October in the south. Meanwhile, in the north, it begins in May and ends in September. July and August are observed to be the peak months of this disease. Soak the infected fish into 1.5ppm to 2ppm of yellow powder or 0.3ppm of erythromycin.