![]() ![]() Such migrations are usually done for better feeding or to reproduce, but in other cases the reasons are unclear.įish migrations involve movements of schools of fish on a scale and duration larger than those arising during normal daily activities. ![]() Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres to thousands of kilometres. Movement of fishes from one part of a water body to another on a regular basis Many species of salmon are anadromous and can migrate long distances up rivers to spawn Allowing fish and other migratory animals to travel the rivers can help maintain healthy fish populationsįish migration is mass relocation by fish from one area or body of water to another. ![]()
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