Drummond Hay Island, Concepción Channel, Patagonia, southern Chile, Pacific Ocean, CIMAR 15 Fiordos Cruise, St. 41 (50°16'37"S, 74°53'21"W) [-50.2769°, -74.8892°]; 30 m, boulders and mixed sediments, with Macrocystis pyrifera (Linnaeus) C. Agardh, 1820 kelp holdfasts