Salmon migrate in order to reproduce. Salmon live most of their lives in the ocean, but reproduce in rivers. Spawning time depends on the location. When it is time to spawn, the fish swim upriver. Many are caught by predators such as bears and humans. When the salmon reach the spawning grounds, they will mate, lay eggs, and die. After the eggs hatch, the young will swim downriver to the sea. The Copper River in Alaska is famous for salmon. Here is a more detailed article on salmon spawning. http://animals.howstuffworks.com/fish/salmon-info3.htm
Salmon migrate out to sea, and then return to where they were born to mate.
They swim.
Salmon migrate out to sea, and then return to where they were born to mate.
They probably have to remember where they were born.
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Salmon can be found in the Atlantic and Pacific Ocean and rivers. Salmon migrate from the oceans to rivers to spawn.
Salmon are more commonly found in saltwater environments, but they migrate to freshwater to spawn.
Mostly bears when they migrate upstream but they also have enemies such as salamanders.
Sockeye salmon like to feed on aquatic insects when they are in freshwater. When they migrate to the ocean, they feed on squid, fish, amphipods and copepods.
Salmon are not exclusively freshwater fish. They are anadromous, meaning they are born in freshwater, migrate to the ocean to grow, and then return to freshwater to spawn.
Salmon primarily live in saltwater environments, such as oceans and seas, but they migrate to freshwater rivers and streams to spawn.