Geoducks can reach 14 pounds and live more than 150 years—so long that scientists use rings on the clams' shells to track climate change. Geoducks are broadcast spawners: several times a year, in late ...

Craig Parker popped his head above the surf, peeled off his dive mask and clambered aboard the Ichiban. We were anchored 50 yards offshore from a fir-lined peninsula that juts into Puget Sound. Sixty ...