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An old mystery solved: fishes navigate by using magnetic field

Now scientists have finally found how fishes accomplish their navigation feat: they use Earth's magnetic field to steer themselves to home. The study was worked out about salmon. It is resulted that salmon imprints the magnetic field that exists where they first enter in the sea as juveniles in order to find its way back home through thousands of kilometers in the Ocean. This is as much told by Nathan Putman, leader study of Oregon State University.

Upon salmon gets mature, it seeks the coastal location with the same magnetic field.