In American the salmon are nearly extinct because of the hatcheries the hatcheries are net salmon in the mountains and killing them and taking their eggs and by the time they get to the hatchery most of the eggs are dead if they let the salmon spawn and then they will hatch and go back out to sea and then come back up into the mountain to spawn.
but these hatchery bully the salmon the Idaho sockeye salmon in 1991 it was listed on the extinct list in 1985 to 1990 only 62 adult sockeye salmon made it from the ocean to the Idaho Stanley basin to spawn but in 1992 only 1 sockeye salmon made it the famous lonesome larry one year it got hot and heated up the water and killed tens of thousands so now global warming.