Henley Spiers / Bright sunrays and golden kelp in clear water, Shetland, Scotland, UK, North Sea. May.

Alex Mustard / Grey top-shell (Gibbula cineraria) grazing on Golden kelp (Laminaria ochroleuca). Pendennis Head, Cornwall, UK, English Channel.

Alex Mustard / Spiny starfish (Marthasterias glacialis) climbing amongst Golden kelp (Laminaria ochroleuca), Porthkerris, Cornwall, UK, English Channel.

Alex Mustard / Detail of Golden kelp (Laminaria ochroleuca) with sun beams. Lundy Island, Devon, England, British Isles. Bristol Channel. North East Altantic Ocean. This species is only found in South West England

Brandon Cole / Scuba diver in a forest of Giant kelp (Macrocystis pyrifera), with Red gorgonians (Lophogorgia chilensis), Golden gorgonians (Muricea californica), and California sheephead (Semicossyphus pulcher), Ch...

Brandon Cole / Red Gorgonians (Lophogorgia chilensis) and Golden Gorgonians (Muricea californica) on rocky reef in kelp forest, at 60 feet deep, with scuba diver above. California, USA, Pacific Ocean. Model released...

Alex Mustard / A heavily pregnant male White's Seahorse (Hippocampus whitei) grips onto the stipe of a kelp. Sydney Harbour, New South Wales, Australia, November.