As a mayfly larvae emerges out of its shell, this will be the most important—and only—day of its adult life. | National Geographic

The worlds biggest mayfly hatch at night - ‘The River’ on FishingTV Click the link to watch now! https://www.fishingtv.com/video/the-river/ The AuSable River, Michigan is regarded by many as the one of the finest trout rivers in America. In this beautifully crafted film by Robert Thompson, we meet just a few of the anglers who have been captivated by its mystique, its legendary hatches and its fickle brown trout. We also meet some of the people who have devoted their lives to the preservation an