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larger anadromous adult males returning from the sea.
* Smolt - As they approach the time when they are ready to migrate out to the sea, the parr lose their camouflage bars and undergo a process of physiological changes called smoltification - this allows them to survive a shift from freshwater to saltwater environments. At this point these young salmon are called smolt. Smolt spend time in the brackish waters of the estuaries while

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