Michael Durham Photography

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  • A coho slamon (Oncorhynchus kisutch) alevin, or yolk-sac fry 10 days after hatching. Alevin remain in the redd after hatching and hide in the gravel and rocks, often working deeper into the substrate for protection. After they absorb the remaining nutrients from the yolk, they must leave the redd to find food.
    coho_slamon_alevin_yolk-sac_fry21607...jpg
  • 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.
    Coho_salmon_egg_21607CSe9.jpg
  • 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.
    Coho_salmon_egg_21607CSe11.jpg
  • A coho slamon (Oncorhynchus kisutch) alevin, or yolk-sac fry 10 days after hatching. Alevin remain in the redd after hatching and hide in the gravel and rocks, often working deeper into the substrate for protection. After they absorb the remaining nutrients from the yolk, they must leave the redd to find food.
    coho_slamon_alevin_yolk-sac_fry21607...jpg
  • A coho slamon (Oncorhynchus kisutch) alevin, or yolk-sac fry 10 days after hatching. Alevin remain in the redd after hatching and hide in the gravel and rocks, often working deeper into the substrate for protection. After they absorb the remaining nutrients from the yolk, they must leave the redd to find food.
    coho_slamon_alevin_yolk-sac_fry21607...jpg
  • A coho slamon (Oncorhynchus kisutch) alevin, or yolk-sac fry 10 days after hatching. Alevin remain in the redd after hatching and hide in the gravel and rocks, often working deeper into the substrate for protection. After they absorb the remaining nutrients from the yolk, they must leave the redd to find food.
    coho_slamon_alevin_yolk-sac_fry21607...jpg
  • A coho slamon (Oncorhynchus kisutch) alevin, or yolk-sac fry 10 days after hatching. Alevin remain in the redd after hatching and hide in the gravel and rocks, often working deeper into the substrate for protection. After they absorb the remaining nutrients from the yolk, they must leave the redd to find food.
    coho_slamon_alevin_yolk-sac_fry21607...jpg
  • 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.
    Coho_salmon_egg_21607CSe15.jpg
  • 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.
    Coho_salmon_egg_21607CSe14.jpg
  • A coho slamon (Oncorhynchus kisutch) alevin, or yolk-sac fry 10 days after hatching. Alevin remain in the redd after hatching and hide in the gravel and rocks, often working deeper into the substrate for protection. After they absorb the remaining nutrients from the yolk, they must leave the redd to find food.
    coho_slamon_alevin_yolk-sac_fry21607...jpg
  • A coho slamon (Oncorhynchus kisutch) alevin, or yolk-sac fry 10 days after hatching. Alevin remain in the redd after hatching and hide in the gravel and rocks, often working deeper into the substrate for protection. After they absorb the remaining nutrients from the yolk, they must leave the redd to find food.
    coho_slamon_alevin_yolk-sac_fry21607...jpg
  • A female coho salmon (Oncorhynchus kisutch) gaurds her redd in Thompson Creek, along the Oregon Coast. Her tail is white from the constant fanning of her eggs to promote oxygen flow. She will die about two weeks after spawning.
    wild_oregon_salmon_122907TCs-70.jpg
  • A female coho salmon (Oncorhynchus kisutch) gaurds her redd in Thompson Creek, along the Oregon Coast. Her tail is white from the constant fanning of her eggs to promote oxygen flow. She will die about two weeks after spawning.
    wild_oregon_salmon_122907TCs-59.jpg
  • A female coho salmon (Oncorhynchus kisutch) gaurds her redd in Thompson Creek, along the Oregon Coast. Her tail is white from the constant fanning of her eggs to promote oxygen flow. She will die about two weeks after spawning.
    wild_oregon_salmon_122907TCs-245.jpg
  • A female coho salmon (Oncorhynchus kisutch) gaurds her redd in Thompson Creek, along the Oregon Coast. Her tail is white from the constant fanning of her eggs to promote oxygen flow. She will die about two weeks after spawning.
    wild_oregon_salmon_122907TCs-238.jpg
  • A female coho salmon (Oncorhynchus kisutch) gaurds her redd in Thompson Creek, along the Oregon Coast. She will die about two weeks after spawning.
    wild_coho_122907TCs-20.jpg
  • A young coho salmon (Oncorhynchus kisutch) with yoke sac still attached, hatches from its egg. Washington. 2 in a sequence of 2
    coho_slamon_alevin_yolk-sac_fry3107C...jpg
  • A Coho salmon (Oncorhynchus kisutch) egg at 10 weeks after spawning. At this stage, the tiny fish is receiving nutrients from the yoke. As the fish grows the yoke shrinks until the fish is ready to hatch. Washington.
    salmon_egg_21607CSe3_V2.jpg
  • A young coho salmon (Oncorhynchus kisutch) with yoke sac still attached, moments after hatching from an egg. Washington.
    coho_slamon_alevin_yolk-sac_fry3107C...jpg
  • Coho salmon (Oncorhynchus kisutch) eggs at 10 weeks after spawning. At this stage, the tiny fish are receiving nutrients from the yoke. As the fish grow the yoke shrinks until the fish are ready to hatch. Washington.
    Coho_salmon_egg_21607CSe5.jpg
  • Coho salmon (Oncorhynchus kisutch) eggs at 10 weeks after spawning. At this stage, the tiny fish are receiving nutrients from the yoke. As the fish grow the yoke shrinks until the fish are ready to hatch. Washington.
    Coho_salmon_egg_21607CSe1.jpg
  • Coho salmon (Oncorhynchus kisutch) eggs at 10 weeks after spawning. At this stage, the tiny fish are receiving nutrients from the yoke. As the fish grow the yoke shrinks until the fish are ready to hatch. Washington.
    Coho_salmon_egg_21607CSe.jpg
  • A sequence showing a coho salmon (Oncorhynchus kisutch) emerging from an egg with yoke sac still attached. Washington.
    coho_salmon_egg_hatching_32707H1.jpg
  • A young coho salmon (Oncorhynchus kisutch) hatches from its egg. 1 in a sequence of 2
    coho_slamon_alevin_yolk-sac_fry3107C...jpg
  • A Coho salmon (Oncorhynchus kisutch) egg at 10 weeks after spawning. At this stage, the tiny fish is receiving nutrients from the yoke. As the fish grows the yoke shrinks until the fish is ready to hatch. Washington.
    Coho_salmon_egg_21607CSe3_V3.jpg
  • Coho salmon (Oncorhynchus kisutch) eggs at 10 weeks after spawning. At this stage, the tiny fish are receiving nutrients from the yoke. As the fish grow the yoke shrinks until the fish are ready to hatch. Washington.
    Coho_salmon_egg_21607CSe2.jpg
  • A female coho salmon (Oncorhynchus kisutch) (foreground) fans her redd with her tail to keep oxygen flowing over the eggs while a male fertilizes the eggs with sperm. Thompson Creek, along the Oregon Coast. This creek is just yards from a new home development project.
    wild_oregon_salmon_122907TCs-98.jpg
  • A female coho salmon (Oncorhynchus kisutch) (right) gaurds her redd in Thompson Creek, while a male hovers nearby to keep other competing males from fertilizing the eggs.  Oregon Coast. These fish will die about two weeks after spawning.
    wild_oregon_salmon_122907TCs-180.jpg
  • A female coho salmon (Oncorhynchus kisutch) (left) gaurds her redd in Thompson Creek while a male protects the eggs from other males who might try and fertilize the nest. Oregon Coast.
    wild_coho_122907TCs-29.jpg
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