Why are my koi fish not active?

Water quality, pH levels, or oxygen levels changing can be the cause of your koi fish always hiding. This is especially true for the summer when water holds less dissolved oxygen. Without the right levels of dissolved oxygen, your fish can start having health problems. You can easily add artificial aeration if needed.

Why is my koi fish not swimming?

If you notice your koi has lost most of it’s buoyancy control and does not ever swim normally, it’s likely the swim bladder. If the strange swimming behaviour is random, and there is periods of normal swimming, it may instead be related to very poor water conditions (i.e. ammonia poisoning).

Why are all my koi fish dying?

Most of the time, death in koi carp is caused by poor water quality. Making sure you have proper filtration, regular testing and maintenance will all contribute to the quality of your pond water, and therefore the health of your fish.

How do I make my koi active?

5 Tips for Opening Pond in Spring

1. Monitor Water Temperature. This is very important.
2. Treat Your Koi Pond. Once the water temperature is stable around 50–55F, your Koi will be active and start looking for food.
3. Activate Your Filter / Clean Filter.
4. Be Patient in Feeding in Spring.
5. Koi Pond Cleaning for Spring.

How can I make my koi more active?

When the temperature starts to get higher, so does the necessity for water changes. Koi are poikilotherms regulated by the water temperature they are in—the warmer it is, the more active they become. Being more active means more frequent feedings.

How do you make koi fish happy?

What Makes My Koi Fish Happy? Simply put – a clean and safe environment supported by nutritious food. The happiest Koi live in a pond with an excellent filtration system that provides clean and oxygenated water. Healthy water matters.

What are the symptoms of Trichodina?

Trichodina is a saucer-shaped parasite (Fig. 9.1) that attacks fish skin and gills. The typical signs of the disease include skin and gill damage, respiratory distress, loss of appetite and loss of scales.

Why have all my fish died in my pond?

Fish may die of old age, starvation, body injury, stress, suffocation, water pollution, diseases, parasites, predation, toxic algae, severe weather, and other reasons. Sudden, large fish kills in ponds are often the result of fish suffocation caused by nighttime oxygen depletion in the summer.

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