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Laying and fertilizing eggs Early in spawning, as many as 1200 eggs may be released into the nest, the number decreasing in subsequent nests. As they are released, current eddies in the depression pull most eggs downward into the nest to less turbulent water where sperm has settled and where they become lodged in the […]

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Female Building a Redd Each species of salmon shows different preferences in terms of optimum spawning habitat. This ensures that available habitat is used efficiently with a minimum of competition. The redd is the general location selected by a female for laying eggs. Within that site, she may dig several nests and deposit eggs in […]

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Spawning Sockeye Salmon Salmon spawning is a remarkable phenomenon to behold. Generally, spawning is broken into three types of behavior: redd selection and nest building, courtship and mating, and nest closure. Although individual species differ in certain behaviors, a generalized pattern occurs with all salmon. Redd selection is the task of the female and is […]

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