Alex Mustard / 2020VISION / Fisherman cleaning his catch, possibly Pollack (Pollachius pollachius) with flock of Herring gulls (Larus argentatus), Lands End, Cornwall, UK, May 2010

Alex Mustard / 2020VISION / Common cuttlefish (Sepia officinalis) mating pair, male (on right) transfering sperm to female by wrapping his arms around her face and depositing a sac of sperm into her spermatheca, a pouch beneath...

Alex Mustard / 2020VISION / John dory (Zeus faber) portrait, Babbacombe Bay, Devon, UK, October

Alex Mustard / 2020VISION / Conger eel (Conger conger) sheltering within the wreck of the Fleur De Lys, Swanage, Dorset, UK, July

Alex Mustard / 2020VISION / Male Common cuttlefish (Sepia officinalis) caressing a female during courtship, Babbacombe Bay, Torbay, Devon, UK, May

Alex Mustard / 2020VISION / Pair of Common cuttlefish (Sepia officinalis), male behind caressing female during spring spawning season, This pair have already mated and the male is guarding the female (from other males) as she la...

Alex Mustard / 2020VISION / Two snorkellers exploring underwater, Man O War Bay, Dorset, UK, August

Alex Mustard / 2020VISION / Tompot blenny (Parablennius gattorugine) beneath Swanage Pier, Dorset, UK, August

Alex Mustard / 2020VISION / Cuttlefish eggs (Sepia officinalis) recently laid in clutch attached to seaweed. The black colour of the eggs comes from the cuttlefish's ink, which the female injects into her eggs as she lays them....

Alex Mustard / 2020VISION / Surfers carrying their surfboards down the beach, Fistral Beach, Newquay, Cornwall, UK, July 2011

Alex Mustard / 2020VISION / Corkwing wrasse (Symphodus / Crenilabrus melops) male carrying seaweed in mouth to build his nest, Swanage Pier, Dorset, UK, May

Alex Mustard / 2020VISION / Portrait of Long spined sea scorpion (Taurulus bubalis) resting on the seabed, Sesley, West Sussex, UK, May

Alex Mustard / 2020VISION / Nudibranch (Facelina auriculata) feeding on small hydroids growing on top of a rock, Selsey, West Sussex, UK, May

Alex Mustard / 2020VISION / Nudibranch (Palio nothus) in front of a Snakelocks sea anemone, Swanage Pier, Dorset, UK

Alex Mustard / 2020VISION / Three Jewel anemones (Corynactis viridis) photographed under blue light to show fluorescence, Plymouth Sound, Devon, UK, July. Note tiny amphipods living inside the central anemone.

Alex Mustard / 2020VISION / Corkwing wrasse (Symphodus / Crenilabrus melops) male carrying seaweeds to build nest, Swanage Pier, Dorset, UK, May

Alex Mustard / 2020VISION / Nudibranch (Facelina auriculata) searching for small hydroids on top of a boulder, Selsey, West Sussex, UK, May

Alex Mustard / 2020VISION / Researcher holding a Yellow / Spiny seahorse (Hippocampus guttulatus), Studland Bay, Dorset, UK, August. Model released

Alex Mustard / 2020VISION / Mouth and tentacles of Jewel anemone (Corynactis viridis) photographed under blue light to show fluorescence, Plymouth Sound, Devon, UK, July, Note tiny amphipods living inside anemone. Did you know?...

Alex Mustard / 2020VISION / Mouth and tentacles of Jewel anemone (Corynactis viridis) photographed under blue light to show fluorescence, Plymouth Sound, Devon, UK, July

Alex Mustard / 2020VISION / Nudibranch (Flabellina pedata) gliding over a red sponge, Selsey, West Sussex, UK, May

Alex Mustard / 2020VISION / An adult female captive Yellow / Spiny seahorse (Hippocampus guttulatus) being handled by keeper, Weymouth Sealife Centre, Dorset, England, UK.

Alex Mustard / 2020VISION / A pair of captive Common / Short snouted seahorses (Hippocampus hippocampus) in aquarium, Weymouth Sealife Centre, Dorset, England, UK.

Sue Daly / Snakelocks Anemone (Anemonia viridis). Channel Islands, English Channel, UK, March.

Sue Daly / Elegant anemone (Sagartia elegans) with tentacles open in the shape of a heart, Sark, British Channel Islands, UK

Christophe Courteau / Creek at low tide, Baie de Mont St Michel, La Roche Torin, Normandy, January 2008

Nick Upton / Baltic sea shore and cliffs on a stormy day at Gellort, Cape Arkona, Rugen island. Germany's most northerly point. Mecklenberg-Vorpommern, Germany.

Nick Upton / Aerial view of busy beach crowded with people on a hot August weekend, Hook of Holland, Netherlands

Nick Upton / Aerial view of busy beach crowded with people on a hot August weekend, Hook of Holland, Netherlands

Sue Daly / Les Autelets rocks with rocky coast in foreground, Sark, Channel Isles, UK, 2009

Sue Daly / Les Autelets rocks with rocky coast in foreground, Sark, Channel Isles, UK, 2009

Sue Daly / Winter sunset over the sea, Sark, Channel Isles, UK, December 2008

Sue Daly / Coastal view through a Window in the Rock, Sark, Channel Isles, UK, 2009

Sue Daly / Primroses (Primula vulgaris) flowering on Gouliot Headland, Sark, Channel Isles, UK, spring 2009

Sue Daly / Coastal landscape, West coast of Sark, Channel Isles, UK, 2009

Sue Daly / Port du Moulin, a natural rock arch, Sark, Channel Isles, UK, 2009

Sue Daly / Port du Moulin, a natural rock arch, Sark, Channel Isles, UK, 2009

Sue Daly / Venus Pool, Sark, Channel Isles, UK, 2009

Sue Daly / Inside the Gouliot Caves, Sark, Channel Isles, UK, 2009

Sue Daly / Inside the Gouliot Caves, Sark, Channel Isles, UK, 2009

Sue Daly / Coastal landscape with gorse and a rusty old piece of metal machinery in the foreground, West coast of Sark, Channel Isles, UK, summer 2009

Sue Daly / Man exploring the Boutique Caves, Sark, Channel Isles, UK, 2009

Sue Daly / Bluebells flowering in Dixcart Wood, Sark, Channel Isles, UK, spring 2009

Sue Daly / Bec du Nez, the most northern promontory of Sark, with Sea thrift flowering in the foreground, Sark, Channel Isles, UK, Summer 2009

Sue Daly / Bec du Nez, the most northern promontory of Sark, with Sea thrift flowering in the foreground, Sark, Channel Isles, UK, Summer 2009

Sue Daly / West Coast of Sark, Channel Isles, UK, 2009

Sue Daly / West Coast of Sark, Channel Isles, UK, 2009

Sue Daly / Boats moored in the natural harbour of Les Laches, Sark, Channel Isles, UK, Summer 2009

Sue Daly / Boats moored in the natural harbour of Les Laches, Sark, Channel Isles, UK, Summer 2009

Sue Daly / Boats moored in the natural harbour of Harve Gosselin, Sark, Channel Isles, UK, Summer 2009

Sue Daly / Boats moored in the natural harbour of Harve Gosselin, Sark, Channel Isles, UK, Summer 2009

Sue Daly / Bay and beach of La Grande Greve, Sark, Channel Isles, UK, Summer.

Sue Daly / Horse drawn carriage passing along the road on La Coupee, the ridged isthmus joining the main island of Sark to Little Sark, Sark, Channel Isles, UK, 2009

Sue Daly / La Coupee, ridged isthmus joining the main island of Sark to Little Sark, Sark, Channel Isles, UK, 2009

Sue Daly / Cuckoo wrasse (Labrus mixtus) male, Channel Isles, UK, June

Sue Daly / Marbled electric ray (Torpedo mamorata) on seabed, Channel Isles, UK, June

Sue Daly / Tompot blenny (Blennius / Parablennius gattorugine) Channel Isles, UK, July

Sue Daly / Leopard-spotted goby (Thorogobius ephippiatus) Channel Isles, UK, July

Sue Daly / Cuckoo wrasse (Labrus mixtus) transitional stage between female and male, beside corals, Channel Isles, UK, August

Sue Daly / Close up of head of Starry smooth-hound shark (Mustelus asterias) resting on seabed, Channel Isles, UK

Sue Daly / Starry smooth-hound shark (Mustelus asterias) resting on seabed, Channel Isles, UK

Sue Daly / Black faced blenny (Tripterygion delaisi) resting on rock, Channel Isles, UK, August

Sue Daly / Black faced blenny (Tripterygion delaisi) resting on rock, Channel Isles, UK, August

Sue Daly / Dogfish egg case / Mermaid's purse (Scyliorhinus sp) on fan coral, Channel Isles, UK, August

Sue Daly / Lightbulb seasquirts / tunicates (Clavelina lepadiformis) cluster on rock, Channel Isles, UK, July

Sue Daly / Goose foot starfish (Anseropoda placenta) on seabed, Channel Isles, UK, July

Sue Daly / Spiny starfish (Marthasterias glacialis) underwater, Channel Isles, UK, June

Sue Daly / Bloody Henry starfish (Henricia oculata) underwater, Channel Isles, UK, July

Sue Daly / Crevice sea cucumber (Aslia lefevrei) in rock crevice, Channel Isles, UK, April

Sue Daly / Edible crab (Cancer pagurus) underwater, looking up, Channel Isles, UK, June

Sue Daly / Sea slater / Beach woodlouse (Ligia oceanica) on rock, Channel Isles, UK, September

Sue Daly / Mint sauce worm (Symsagittifera roscoffensis) Channel Isles, UK, August

Sue Daly / Giant scallop (Pecten maximus) on seabed, feeding, showing mantle, Channel Isles, UK, June

Sue Daly / Eggs of Common squid (Loligo vulgaris) under rock crevice, Channel Isles, UK, April

Sue Daly / Bluefire jellyfish (Cyanea lamarckii) Channel Isles, UK, June

Sue Daly / Bluefire jellyfish (Cyanea lamarckii) with fish caught in tentacles, Channel Isles, UK, June

Sue Daly / Herringbone hydroid (Halecium halecinum) Channel Isles, UK, June

Sue Daly / Oatenpipe hydroids (Tubularia indivisa) underwater, Channel Isles, UK, June

Sue Daly / Pink sea fan coral (Eunicella verrucosa) Channel Isles, UK, June

Sue Daly / Elegant anemones (Sagartia elegans variety venusta) group underwater with tentacles exposed, Channel Isles, UK, June

Sue Daly / Beadlet anemone (Actinia equina) underwater with tentacles exposed, Channel Isles, UK, June

Sue Daly / Beadlet anemones (Actinia equina) group underwater showing colour variation, Channel Isles, UK, June

Sue Daly / Beadlet anemone (Actinia equina) underwater with tentacles partially exposed, Channel Isles, UK, June

Sue Daly / Beadlet anemone (Actinia equina) underwater with tentacles exposed, Channel Isles, UK, June

Sue Daly / Jewel anemones (Corynactis virids) underwater, Channel Isles, UK, June

Sue Daly / Yellow encrusting / cluster anemone (Parazoanthus axinellae) group with tentacles exposed underwater, Channel Isles, UK, June

Sue Daly / Snakelocks anemone (Anemonia viridis) underwater, with tentacles exposed, Channel Isles, UK, June

Sue Daly / Elephant hide sponge (Pachymatisma johnstonia) underwater, Channel Isles, UK, June

Sue Daly / Yellow hedgehog sponge (Polymastia boletiformis) underwater, Channel Isles, UK, June

Sue Daly / Golf ball sponge (Tethya citrina) underwater, Channel Isles, UK, July

Sue Daly / Kelp (Laminaria sp) with shoal of small fish, Channel Isles, UK, June

Philippe Clement / Norfolkline ferry passing the white cliffs of Dover, Kent, UK, July 2009

Philippe Clement / The white cliffs of Dover, Kent, UK

Philippe Clement / The white cliffs of Dover, Kent, UK, July 2009

Philippe Clement / Seafrance ferry passing the white cliffs of Dover, Kent, UK, July 2009

Nick Upton / Rainbow over passenger ferry Seafrance 'Nord Pas De Calais' crossing English channel, March 2009