Coho salmon (Oncorhynchus kisutch) eggs in a redd at 10 weeks after spawning. The female salmon digs the redd, or nest, and after depositing her eggs, she will gently fan rocks and gravel over the eggs to protect them from predators. Water temperature, water flow and oxygen content are all critically important for the developing salmon eggs. At this stage, the small eyes of the developing fish are visible through the transparent skin of the egg. Washington.
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