SCOTLAND: The Big Picture / Mysid on algae (Fucus serratus), Shetland Isles, Scotland, UK, June.

Nick Upton / Seaweeds including Thongweed / Sea thong (Himanthalia elongata), Tangleweed kelp (Laminaria digitata), Toothed wrack (Fucus serratus) and Dulse (Palmaria palmata). Exposed on rocky shore on low spring...

Alex Mustard / Grey seal (Haichaoerus grypus) large female adult sleeps in a bed of seaweeds (Fucus serratus) Lundy Island, Devon, England, UK Bristol Channel, August.

Alex Mustard / Grey seal (Haichaoerus grypus) young female opens her mouth playfully while she looks up from a bed of shallow seaweeds (Fucus serratus) Lundy Island, Devon, UK. Bristol Channel, August

Alex Mustard / Grey seal (Halichoerus grypus) young seal opens its moutfh towards the camera, while swimming over a shallow bed of seaweeds (Fucus serratus) Lundy Island, Devon, UK. Bristol Channel. North East Altan...

Alex Mustard / Grey seal (Halichoerus grypus) large female exhales a stream of bubbles as she sleeps on shallow seaweeds (Fucus serratus) Lundy Island, Devon, UK, Bristol Channel, August. Highly commended in the Hab...

Solvin Zankl / Intertidal rocks covered in seaweeds, including brown algae: Toothed wrack (Fucus serratus), and Thongweed (Himanthalia elongata), red algae: left Chylocladia verticillata, middle Pepper Dulse (Osmu...

Solvin Zankl / Tide pool with Brown algaes - Toothed wrack (Fucus serratus) and Japanese wireweed (Sargassum muticum) and Red algae (Calliblepharis jubata) Roscoff, France

Solvin Zankl / Intertidal rocks covered in seaweeds, including, brown algae: at top Toothed wrack (Fucus serratus) and on the left Bifurcaria bifurcata. Red algae: middle and bottom right Pepper dulse (Osmundea pinn...

Alex Hyde / Tube Worms (Spirorbis spirorbis) on Toothed Wrack (Fucus serratus), photographed on a white background in mobile field studio. Isle of Skye, Inner Hebrides, Scotland, UK. April.

Alex Hyde / Tube Worms (Spirorbis spirorbis) on Toothed Wrack (Fucus serratus). Isle of Skye, Inner Hebrides, Scotland, UK

Nick Upton / Toothed wrack (Fucus serratus) on rocks exposed at low tide and submerged in a rockpool, Lyme Regis, Dorset, UK, May.

Nick Upton / Toothed / Serrated wrack (Fucus serratus) submerged at mid tide, near Falmouth, Cornwall, UK, August.

Nick Upton / Split level view of Toothed / Serrated wrack (Fucus serratus) clumps at mid tide, near Falmouth, Cornwall, UK, August.

Adrian Davies / Serrated wrack (Fucus serratus) UK, July

Robert Thompson / Serrated wrack {Fucus serratus} exposed at low tide, Ballyhenry Point, Strangford Lough, County Down, Northern Ireland, UK, September

David Tipling / Toothed / Serrated wrack {Fucus serratus} exposed at low tide, Isles of Scilly, Cornwall, UK

Jason Smalley / Serrated wrack {Fucus serratus} and Kelp, probably Tangle oarweed {Laminaria digitata} Stackpole, Pembrokeshire, Wales, UK

Geoff Simpson / Serrated wrack seaweed {Fucus serratus} exposed at low tide, Gwynned, Wales, UK

Niall Benvie / Serrated (Toothed) wrack (Fucus serratus) with marine mollusc (Littorina littoralis) on the seaweed. Scotland, UK, Europe

Lewis Jefferies / Grey seal (Halichoerus grypus) amongst Serated wrack (Fucus serratus) and Thongweed (Himanthalia elongata) on seabed, Lundy Island, Bristol Channel, Devon, UK.

Alex Mustard / Serrated wrack (Fucus serratus) and Spaghetti seaweed (Himanthalia elongata) growing in abundance on seabed, Island of Coll, Inner Hebrides, Scotland, UK, Atlantic Ocean.

Alex Mustard / Seaweeds in shallow water, with thongweed (Himanthalia elongata) growing over serrated wrack (Fucus serratus). Falmouth, Cornwall, England, United Kingdom. British Isles. North East Atlantic Ocean.

Alex Mustard / Serrated wrack (Fucus serratus) reflected in the surface as it grows in a rockpool. Looe, Cornwall, England, United Kingdom. British Isles. English Channel, North East Atlantic.

Alex Mustard / Shallow water seaweeds (including sea lettuce: Ulva spp. and serrated wrack: Fucus serratus) carpet the seabed. Looe, Cornwall, England, United Kingdom. British Isles. English Channel, North East Atla...

Alex Mustard / Serrated wrack (Fucus serratus) reflected in the surface as it grows in a rockpool. Looe, Cornwall, England, United Kingdom. English Channel, North East Atlantic.

Alex Mustard / Seaweed including Bladder wrack (Fucus vesiculosus) egg wrack (Ascophyllum nodosum; serrated wrack (Fucus serratus) grows around the edge of a rockpool. Looe, Cornwall, England, United Kingdom. Englis...

Philippe Clement / Toothed wrack / serrated wrack (Fucus serratus) seaweed of the north Atlantic Ocean, Normandy, France, June