Why are my koi lethargic?
Note any fish that isolate themselves or seem sluggish. Seeing several koi swimming erratically, rubbing themselves along the wall or flashing (jumping out of the water) can indicate parasites have spread. Next, observe your koi when it’s feeding time, paying careful attention to new koi as they are mingling.
Can koi recover from chlorine?
The most important thing is to get your fish out of the chlorinated water as quickly as possible. No known medical treatment can repair the damage done by chlorine; you must separate the fish from the source of toxicity and give the fish time to heal, if they are able to do so.
What should I do if my koi fish is not eating?
If the pond is very deep with little surface area, enough oxygen may not be entering and circulating through the water. You may want to consider expanding the pond or even installing a waterfall or fountain to naturally aerate the water. Oxygenating pond plants will also naturally add more oxygen to the water.
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.
How can I tell if my koi fish is stressed?
If you are wondering how to tell if your koi fish are stressed, testing the water is the first place to start. Brown or cloudy water of high turbidity is always unhealthy. Water should be fairly clear, but even water that appears clear to the naked eye may not be in the healthy range.
How often should I change the water in my koi pond?
Most koi owners aim for a 10-20% pond water exchanged weekly. Partial water changes are the norm and are key to maintaining the koi pond environment. A 10-20% weekly water change is much less stressful to your koi than an abrupt 50% monthly change.
If the pond is very deep with little surface area, enough oxygen may not be entering and circulating through the water. You may want to consider expanding the pond or even installing a waterfall or fountain to naturally aerate the water. Oxygenating pond plants will also naturally add more oxygen to the water.
Why is my Koi taking leaps at the surface?
If your koi are taking leaps or gasping at the surface of the pond, this may mean there is too little oxygen in the water. Consider various oxygenating options. Perform a partial water change, clean the filters, and vacuum out any debris.
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.
Why are my Koi showing symptoms of parasites?
If only one or a small percentage of fish show symptoms, and these symptoms appeared over a period of weeks, (one fish at a time), and the water tests ok then the culprit is more likely to be pathogens like bacteria or parasites, especially the latter. Normally these parasites attack one fish and start to multiply.
