Service biologist Damon Goodman holds a Pacific lamprey at the Van Arsdale Fisheries Station in Potter Valley, California.“It was a really cool feeling seeing the first one pop out of the top (of the migration tube). There were high-fives all-around. We figured if they are using their suctorial disks to climb up, why couldn’t they climb up a tube,” he said. Credit: John Heil/USFWS