Sean Crane / Grizzly Bear (Ursus arctos horribilis) with Coho Salmon (Oncorhynchus kisutch) prey, Lake Clark National Park, Alaska

Andy Rouse / Grizzly bear (Ursus arctos horribilis) carrying freshly caught Silver / Coho salmon (Oncorhynchus kisutch) Alaska (non-ex)

Michael Durham / Coho Salmon (Oncorhynchus kisutch) eggs at ten weeks after spawning, Washington

Lynn M. Stone / Silver Salmon or Coho Salmon (Oncorhynchus kisutch), in spawning colors, caught by sports fisherman; Olga Bay, Kodiak Island, Alaska, USA. September.

Lynn M Stone / A freshly caught Silver salmon (Oncorhynchus kisutch) from Olga Bay, Kodiak Island, Alaska, August.

Michael Durham / Female Coho salmon (Oncorhynchus kisutch) (right) guarding redd / nest site with male hovering nearby to keep other competing males from fertilizing the eggs, Thompson Creek, Oregon Coast, USA, Decemb...

Michael Durham / Coho slamon (Oncorhynchus kisutch) swimming upstream in Cedar Creek to the Sandy Fish Hatchery, Oregon, USA, October.

Michael Durham / Male Coho slamon (Oncorhynchus kisutch) swimming upstream in Cedar Creek to the Sandy Fish Hatchery, Oregon, USA, October.

Michael Durham / Coho salmon (Oncorhynchus kisutch) fry portrait, captive.

Michael Durham / Coho salmon (Oncorhynchus kisutch) eggs in a redd / nest, 10 weeks after spawning, Washington, USA, February.

Michael Durham / Coho salmon (Oncorhynchus kisutch) eggs in a redd, 10 weeks after spawning, Washington, USA, February.

Michael Durham / Coho salmon (Oncorhynchus kisutch) eggs 10 weeks after spawning, Washington, USA, February.