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Salmon heading upstream heading to spawn.  In this case they are heading to a fish hatchery in Oregon to have eggs and sperm harvested.
Carp fishes float in still water at Shirakawa-go village, the world heritage, Japan.
Aquarium with ornamental fish such as Trout and Salmon.
Cerkezkoy-Tekirdag Wastewater Treatment Plant, a project consisting of advanced filtration and disinfection plant, warehouses and pumping stations with advanced treatment technology.
Catfish eat food that feeds many freshwater fish for agriculture and aquaculture
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.
Groupers in the pond, North China
Drone view of shrimp seed lake in Thuy Trieu lagoon, Khanh Hoa province, central Vietnam
Red Salmon in a Stream in Alaska
Water tank (pool) for irrigation in agriculture
As many as a million Sockeye Salmon spawn in the Adams River, near Chase, BC, Canada during October of the peak years on a 2010-2014-2018 cycle.
photographing the capilano river regional park in northern vancouver, british columbia, canada.
Several large river prawns are in the pond to prepare for grilling at the party.
Wastewater Treatment Plant, a project consisting of advanced filtration and disinfection plant, warehouses and pumping stations with advanced treatment technology.
Aquaculture and production of grass carp, ctenopharyngodon idella production in culture ponds, pens and cages in open waters.
Many foam crates on top of each other, filled with fish and ice. Auction place. Fish, seasonal
 Fish farm in Macquarie Harbour, Strahan, Tasmania, Australia.
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.
Trout in an aquarium for sale
Sign of drought in Southern California
Salmon swimming upstream to lay their eggs before they die. Then they will be left as nutrients for their young, the bears and the wildlife around them, and also to benefit the environment.
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View landscape mountain and panoramic nature background of Pang Sawan weir or dike block water and check dam overflow spillway for thai people traveler travel visit at Ban Rai in Uthai Thani, Thailand
Fish farm in Karacaören Dam. Burdur / Turkey. Taken via drone.
A view of Chinook Salmon at a fish hatchery in Tumwater, Washington.
Cerkezkoy-Tekirdag Wastewater Treatment Plant, a project consisting of advanced filtration and disinfection plant, warehouses and pumping stations with advanced treatment technology.
A municipal sewage treatment facility for a city of 50,000 people.
Fish breathe on the surface of the sea
Catfish swimming in the pool on the farm
Fish mixed with moss and plastic waste
Free Images: "bestof:Interior View of a State Salmon Hatchery.jpeg check categories 17 September 2015 2 Interior View of a State Salmon Hatchery Subject Fish hatcheries Tag"
Fish hatcheries atlantic salmon in hatchery.jpg
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Service hatchery staff crowd juvenile salmon out of a raceway.jpg
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Animal king salmon fish.jpg
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Brown bear feeding on salmon fish ursus arctos.jpg
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Fisherman with fly rod caught red sockeye salmon fish.jpg
Flooded house interior.jpg
Brown bear feeding on salmon.jpg
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Oaxoca state countryside.jpg
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