Changes in behavior, such as erratic swimming, koi swimming upside down, abnormal feeding patterns or isolating themselves from others can indicate that your koi fish is sick. Physical symptoms like red gills, cloudy or popped eyes, and swollen abdomen are used to correctly diagnose koi fish diseases.
Why are my pond fish lying on their side?
A: Many bony fish, like the fancy goldfish found in ornamental ponds, have an organ called a swim bladder. … When a fish is unable to control its depth, or starts swimming sideways, upside side down, or head or tail down, it may have “swim bladder disease.”
What is the gestation period for koi fish?
Depending on water temperature, the eggs usually hatch in 3 – 5 days. When they hatch, the juveniles are about 7 mm long and will feed from their yolk sac for few days until they are more developed and can eat food. The fish are beginning to feed on infusoria (microscopic creatures) found in the water.
How do you treat a sick koi fish?
Symptoms can include fin and tail erosion and fraying, redness of the tail, pectoral or anal fins, and red open sores (ulcer disease). The most effective remedy for most bacterial infections is feeding medicated food containing tetracycline, romet, or oxolinic acid for 10-14 days.
How long do fish stay pregnant?
As examples, the female swordtail and guppy will both give birth to anywhere from 20 to 100 live young after a gestation period of four to six weeks, and mollies will produce a brood of 20 to 60 live young after a gestation of six to 10 weeks.
What causes swim bladder problems in Koi?
For 99% of koi, poor water quality is the cause of swim bladder disease.
Why is my fish not swimming?
One common cause is improper water temperature. If your fish’s water is too hot or too cold, they will be very inactive. … If you think this is the case, you should quarantine the fish. A common disease that would cause this behavior is a swim bladder infection, which is a result of a poor diet or water quality.
Will swim bladder go away?
Depending on the cause, swim bladder disorders may be temporary or permanent. If your fish has a permanent swim bladder disorder, they can still live a full and happy life with some lifestyle modifications.
Why are my koi chasing each other?
The chase is a prelude to bumping the female around plants and rocks so the spawning process can take place. Even if you have two couples in your pond, the males may still compete with each other for both females. The size of male koi will have a lot to do with this behavior.
Why is my koi losing its Colour?
Skinny fish can often be very brightly colored. Once you bring them home and feed them they start to gain weight, and can lose their color if not provided with an adequate diet. … Any kind of stress can cause koi to quickly lose their color. One of the most common causes of stress is poor water quality.
Why do koi jump out of the water?
Low levels of dissolved oxygen could be a cause of koi carp jumping from the pond. More commonly fish will be seen gasping at the water surface where oxygen levels are low. … When a koi jumps out of the water, it runs the risk of hurting itself on the water surface, plants, or the rocks at the edge of your pond.
Should I add salt to my koi pond?
However, since Koi are fresh water fish, to much salt could kill them. We recommend keeping your salt level at 0.1% for the best results. … Since salt does not evaporate as water does, salt only needs to be added when water is pumped from the pond.