Why is my koi staying at the top?

Why is my koi staying at the top?

Koi fish will go to the top of the tank, trying to have access to more oxygen. It occurs when the oxygen in the water is not enough. When you see them staying at the top of the pond, you should change their water and replace it with clean, oxygen-full water.

What should I do if my Koi is sick?

If you have just one fish that is sick, you may want to set up a quarantine tub or hospital tank and treat only that fish. On the other hand, if you have several fish that are sick, treating the whole pond is advisable for best results.

What happens to koi fish when they are stressed?

Koi act differently when they’re stressed, which comes from new or unfamiliar situations. They also hate quick changes – especially when being moved into a new pond or tank, or rapid temperature fluctuations. A stressed out koi may skip out on a feeding by hanging near the floor of the pond. They may become less friendly and more lethargic.

Is there a way to quarantine new Koi?

Quarantine all new arrivals. New fish, no matter how well the have been quarantined at the koi dealer may bring parasites into your pond. Read our Koi Quarantine Procedure article before adding new fish to your pond, this will greatly reduce the risk of introducing any new disease to your existing fish.

What to do if your Koi has cyprini?

Mitraspora cyprini, a rare fish parasite that attacks the kidney. Prepare a dip bath laced with 5 ppm potassium permanganate and soak the infected fish for two minutes. Use 0.5 per cent of saltwater for feeding. Another bloated koi cure is by dipping the fish into erythromycin 2.0ppm to 2.5ppm for thirty minutes to fifty minutes.

Why are my koi fish lethargic?

Stressed Koi A stressed out koi may skip out on a feeding by hanging near the floor of the pond. They may become less friendly and more lethargic. Sometimes stressed koi will jump or rub against the edges of a pond. Stress also manifests itself in koi fins.

Why are my pond fish lethargic?

Fish appearing lethargic/tired: Slow-swimming or ‘tired’ fish are usually the result of tank water being too warm or too cold for them. If your aquarium water temperature seems to be spot-on, your fish’s inactivity may be due to overfeeding.

Do fish flash when stressed?

In a chronic stress situation, the immune system is weakened, allowing secondary invasions of parasites and bacteria. Some fish are more sensitive to parasites than others. You may see one fish flash occasionally, but this usually does not indicate an outbreak.

How often should you feed koi?

once a day
How Often to Feed your Koi Fish. We recommend that you feed your fish once a day. This will provide enough nutrients for healthy fish and a healthy pond. Feeding them too often can put an excess amount of nutrients into your pond which can cause algae issues.