A female koi fish can carry about a hundred thousand eggs for every 1 kilogram of body weight. It means a 5-kilogram female koi fish will take about 500,000 eggs in her. Koi fish have a 60% hatch rate, which means a 5kg koi will have 300,000 babies at a time.
How many koi eggs survive?
A 2 pound Koi fish can lay up to 100,000 eggs. In fact, for every 2 pounds or 1 kilogram that a female Koi fish weighs, she can lay up to 100,000 eggs. So, a 10 pound Koi fish could potentially lay up to 1,000,000 eggs. However, this is rare, and only some of the eggs will be viable.
Do koi fish eat their babies?
The adult Koi will eat their young when they are still eggs or if they are small and resemble insects. Once the baby Koi actually resemble real fish and the adult fish recognize this, they will no longer eat them, so it is important to start this process as soon as you notice spawning.
How long is a koi fish pregnant?
They will hatch in about three to four days and will not begin to swim until they are about two to three days old. It is best to keep them in the tank or separate pond until they reach about 3 inches to prevent other fish from eating them.
Do koi fish die after laying eggs?
Egg Impaction can kill a female koi. Normally, if the female doesn’t spawn her body re-absorbs the eggs with no problems. Sometimes there can be a blockage which can prevent her from being able to spawn. There may be something else going on with her.
Will Big koi eat little koi?
Will big Koi eat smaller Koi? … Koi are omnivorous and they may eat Koi fry or eggs, but they will leave smaller fish alone.