Sebastian Kennerknecht / Brown Algae (Phaeostrophion irregulare), Seaweed (Laminariaceae), and Brown Algae (Analipus japonicus) covering intertidal rock, Santa Cruz, Monterey Bay, California

Sebastian Kennerknecht / Sea Palm (Postelsia palmaeformis) clusters in the upper intertidal zone, Big Sur, California

Scott Leslie / Deep-sea Tangle (Laminaria sp) kelp beds, Bay of Fundy, Nova Scotia, Canada