SCOTLAND: The Big Picture / Grey seal (Halichoerus grypus) swimming over kelp forest, Shetland, Scotland, UK, August.

Alex Mustard / California sea lion (Zalophus californianus) resting in the canopy of a forest of giant kelp (Macrocystis pyrifera). Santa Barbara Island, Channel Islands. Los Angeles, California, United States of Am...

Solvin Zankl / Thongweed (Himanthalia elongata) edible plant sold as 'Sea Spaghetti' for human consumption. From Roscoff, France, April. Preserved specimen.

Alex Mustard / Red gorgonian (Lophogorgia chilensis) growing beneath a forest of giant kelp (Macrocystis pyrifera), with female California sheephead fish (Semicossyphus pulcher). Santa Barbara Island, Channel Island...