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.
Males can spawn with various females, and males die more often after spawning. Steelhead differ from salmon in that it can spawn more than once, and fish that are bigger than 28 inches long most always have more than one run. After the spawn, they return to the ocean to replenish the strength lost from the journey.