Koi fry have marvelous instincts

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Any eggs that are going to be infertile will turn opaque. Fertile ones will be clear, and you might have to look harder in order to see them. When it is almost time for the eggs to hatch, you can see a couple of tiny black spots inside them. These are the eyes of the baby koi. Remove the Parents Once you think the Koi have spawned, you will want to remove the fish from the breeding pond or tank. This is because the parents will eat the eggs first chance they get if they are allowed to stay in the tank.


Keep the temperature in the 23 degrees Celsius for theemail database australia next few days until the Koi fry hatch out. Look at Those Eggs. When the fry have hatched, do not feed them for three days. Keep the temperature at around 70 to 75 degrees, a perfect temperature for growing Koi fry. If your female Koi are like most, you are going to be astonished at the number of eggs you will see. Estimates have placed the number of eggs a female Koi is capable of releasing at up to 300,000.




The Babies are Here. They know to hide in any kind of cover they are able to find in the breeding tank or pond. Many people use spawning ropes for this purpose. The fry are specially equipped with a sticky pad on their heads. This enables them to attach to either the walls of the pond or tank, or the fronds that make up the spawning rope. Still Developing Baby Koi do not yet have a mouth, a vent, or a swim bladder.