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The salmon run is the time when salmon, which have migrated from the ocean, swim to the upper reaches of rivers where they spawn on gravel beds. After spawning, all Pacific salmon and most Atlantic salmon die, and the salmon life cycle starts over again.
Fish ladder at the Bonneville Dam on the Columbia River separating Washington and Oregon.
Bend, Oregon, USA - October 3, 2022:  This hatchery was completed in 1929 and introduces trout into the Fall River.  Fly fishing welcome.
The journey is long and difficult. Many fish will fail. The path up the fish ladders is near the end of the salmon run. These fish are driven and determined to be successful. The event happens every year in Valdez, Alaska.
A view of whitewater on the Deschutes River in tumwater, Washington.
Vertical composition color photography of fresh small waterfall close-up in rocks formation in nature. This picture was taken whith high speed shutter setting in sunlight, without any people in the frame. Water falls in a natural pool created by the erosion of the rock over time.
rainbow trout, Oncorhynchus mykiss
Small Rainbow Trout (Oncorhynchus mykiss) (Fry) in a basin at a fish farm.
The top down view of a large sized rainbow trout swimming through the shallow water of the Connetquot River. The floor is covered in dense, bright green under water vegetation and plants.
Abstract small fish and reflections in the water.
Salmon trying to jump over a gate at a fish hatchery at the Bonneville Dam.  The gates remain closed until a fish biologist is on duty to record species and numbers.
Tilapia in the pond
A small trout hatchery on a river in Turkey
Salmon run up stream through the ladder at the Ballard locks.
Fish farm
Ketchikan, Alaska, USA.
Panorama of historic Oregon City paper mill on the Willamette River.
Elevated view of freshwater fish in Chao Phraya River, Bangkok
rainbow trout, Oncorhynchus mykiss
Water flows through a fish ladder in Bonneville Dam and Locks which produces electricity while allowing salmon and other fish upstream and downstream in the Columbia River which flows on the Oregon and Washington border in the Columbia River Gorge National Scenic Area.
A cherry salmon swimming upstream the Sakura Falls in Kiyosato, Hokkaido.
Salmon make their way up the fish ladders in the hatchery. Obstacles along the way seem to thwart their movement. Natural instinct drives the fish forward.
A blocked dam exposing rocks below in the clear blue water.
The dam in the mostly abandoned mill town of Ocean Falls, BC, powers Bella Bella with electricity
fish farming in front of nature background
Low water levels at the Comox Lake Reservoir on Vancouver Island.
Rainbow Trout waiting just below the water surface in Hood River, OR, United States
Trout fish bunch
School of trout in shallow tank in green color under sunlight
Weir on the Neckar river. Dam
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