Atlantic Salmon Fly Fishing - Restigouche River, New Brunswick

A professional photographer captured this incredible up-close footage of an Atlantic salmon swimming upstream to spawn in the Scottish Highlands, a natural process known as the salmon run. Salmon runs are one of the most unique and impressive regularly occurring phenomena in marine life. The species is born in freshwater, lives most of its life in ocean saltwater, and then uses the Earth’s magnetic field to return to its original birth waters. The effort the salmon expends to swim upstream is so