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Contact Suppliersalmon /ˈsæmən/ is the common name for several species of ray-finned fish in the
 family salmonidae. Other fish in the same family include trout, char, grayling andÂ
whitefish. Salmon are native to tributaries of the north atlantic (genus salmo) andÂ
pacific ocean (genus oncorhynchus). Many species of salmon have been introduced
 into non-native environments such as the great lakes of north america andÂ
patagonia in south america. Salmon are intensively farmed in many parts of the world.
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typically, salmon are anadromous: they hatch in fresh water, migrate to the ocean,
 then return to fresh water to reproduce. However, populations of several species areÂ
restricted to fresh water through their lives. Folklore has it that the fish return to theÂ
exact spot where they hatched to spawn. Tracking studies have shown this to beÂ
mostly true. A portion of a returning salmon run may stray and spawn in differentÂ
freshwater systems; the percent of straying depends on the species of salmon.Â
homing behavior has been shown to depend on olfactory memory. SalmonÂ
date back to the neogene.