At the Enfield Hatchery, fish are netted out of the raceways, placed in a holding tank, fin clipped, and then an elaborate set up of pipes and flowing water returns the fish to their original raceway. To learn more, take a look at our latest Inside Inland Fisheries and Wildlife Blog at https://www1.maine.gov/wordpress/insideifw/2018/05/04/wondering-how-old-that-stocked-fish-is-take-a-look-at-the-fins/ | Maine Department of Inland Fisheries & Wildlife