Definition of continuance for English Language Learners. : 1  the act of continuing for a long period of time. : 2  the period of time when something continues. 3  law : a legal decision that a court case will continue at a later date.
Some years they spawn once or twice in spring. Some years they spawn on and off all summer. One year none of them spawned that we know of. I think that was the year 2002. My koi do not eat their fry and now that they're getting large they ignore most of the eggs as well.
After the Koi fish are placed in the tank the male will chase the female and bump her rear end to encourage her to shed her eggs for the Koi breeding to take place. The male will then release his sperm (known as Milt) it contains millions of sperm, only one sperm can enter one egg.