Flip Nicklin / Bearded Seal (Erignathus barbatus) male resting on ice floe with head dyed red from the high iron content of ocean mud in which he hunts for shrimp and clams, Svalbard, arctic Norway
01100064
Constantinos Petrinos / Giant clam {Tridacna gigas} biggest bivalve species in world, Sulawesi Indonesia. Hermaphrodite producing both eggs and sperm
Ingo Arndt / Grizzly Bear (Ursus arctos horribilis) digging for clams on tidal flats, Lake Clark National Park, Alaska
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Ingo Arndt / Grizzly Bear (Ursus arctos horribilis) digging for clams on tidal flats, Lake Clark National Park, Alaska
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Ingo Arndt / Grizzly Bear (Ursus arctos horribilis) mother and cub digging for clams on tidal flats, Lake Clark National Park, Alaska
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Ingo Arndt / Grizzly Bear (Ursus arctos horribilis) mother and cub digging for clams on tidal flats, Lake Clark National Park, Alaska
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Ingo Arndt / Grizzly Bear (Ursus arctos horribilis) mother and cub digging for clams on tidal flats, Lake Clark National Park, Alaska
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Ingo Arndt / Grizzly Bear (Ursus arctos horribilis) mother and cub digging for clams on tidal flats, Lake Clark National Park, Alaska
01400180
Nick Upton / Wide angle view of Rayed trough shell (Mactra stultorum), partially buried in sand with siphons visible exposed on a low spring tide, with the sea in the background, Rhossili, The Gower peninsula, Wal...
01400179
Nick Upton / Wide angle view of Rayed trough shell (Mactra stultorum), partially buried in sand with siphons visible exposed on a low spring tide, with the sea in the background. Rhossili, The Gower peninsula, Wal...
01400178
Nick Upton / Rayed trough shell (Mactra stultorum), partially buried in sand with siphons visible exposed on a low spring tide. Rhossili, The Gower peninsula, Wales, UK, July.
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Nick Upton / Wide angle view of Rayed trough shell (Mactra stultorum), partially buried in sand exposed on a low spring tide, with people in the sea in the background. Rhossili, The Gower peninsula, Wales, UK, Jul...
01398834
Georgette Douwma / Fluted giant clam (Tridacna squamosa) on coral reef. Maldives, Indian Ocean
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Laurie Campbell / Rayed artemis (Dosinia exoleta) shell in surf, Islay, Scotland, April
01369029
Philippe Clement / Rayed trough shells (Mactra stultorum cinerea / Mactra corallina cinerea) on beach, Belgium
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Philippe Clement / Pholadidae on beach showing Common piddock (Pholas dactylus), American piddock (Petricola pholadiformis) and White piddock (Barnea candida) shells, Normandy, France
01369019
Philippe Clement / Smooth / Norway cockle (Laevicardium crassum) shells on beach, Brittany, France
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Philippe Clement / Common piddock (Pholas dactylus) shell on beach, Normandy, France
01369046
Philippe Clement / White furrow shell (Abra alba) on beach, Belgium
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Philippe Clement / Warty venus (Venus verrucosa) shells on beach, Brittany, France
01369028
Philippe Clement / Rayed artemis (Dosinia exoleta) shell on beach, Normandy, France
01369027
Philippe Clement / Pullet carpet shell (Venerupis senegalensis) on beach, Belgium
01369020
Philippe Clement / Common Otter shell / European Otter clam (Lutraria lutraria) on beach, Brittany, France
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Philippe Clement / Cut trough shells (Spisula subtruncata) on beach, Belgium
01368985
Philippe Clement / Fossil shell (Corbicula fluminalis) on beach, the Netherlands
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Philippe Clement / Banded wedge (Donax vittatus) shells on beach, Belgium
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Philippe Clement / Baltic tellin (Macoma balthica) shells on beach, Belgium
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Philippe Clement / Baltic tellin (Macoma balthica) shells on beach, Belgium
01336878
Ernie Janes / Common sunstar (Crossaster papposus), Starfish (Asterias sp), Razor shells, crabs, clams and other seashells stranded on tideline after a storm, Norfolk, UK, November
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Ernie Janes / Common sunstars (Crossaster papposus), Starfish (Asterias sp), Razor shells and clams stranded on tideline after a storm, Norfolk, UK, November
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Philippe Clement / Man with clamming rake and bucket, digging for clams on tidal mud flats. Bay of the Somme, Picardy, France, March 2011.
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Philippe Clement / Man equipped with clamming rake and bucket, digging for clams on tidal mud flats. Bay of the Somme, Picardy, France, March 2011.
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Juergen Freund / Coconut farmers' house on stilts in sea with a mound of discarded giant clam shells. Moromaho Island, Wakatobi, Sulawesi, Indonesia, November 2009.
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Juergen Freund / Coconut farmer's house on stilts in sea with a mound of discarded giant clam shells. Moromaho Island, Wakatobi, Sulawesi, Indonesia, November 2009.
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Juergen Freund / Meat of Giant clams (Tridacna sp) hanging out to dry. Runduma Island, Sulawesi, Indonesia, November 2009.
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Juergen Freund / Divers 'encouraging' Giant clams (Tridacna sp) to spawn by injecting serotonin into the clams. Sperm and eggs are collected and fertilised and larvae are cultured for clam farming. Sempoma, Sabah, Bor...
01346789
Juergen Freund / Regon Warren, WorldFish Center's principal technical aid checking on brood stock of Giant clams, Solomon Islands, July 2010.
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Juergen Freund / Erik Koti cleans his farmed Giant clams (Tridacna maxima) and (Tridacna derasa) Solomon Islands, July 2010.
01332264
Juergen Freund / Close up of siphon of a Giant clam (Tridacna sp) Misool, Raja Ampat, West Papua, Indonesia.
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Juergen Freund / Close up of siphon of a Giant clam (Tridacna sp) Misool, Raja Ampat, West Papua, Indonesia.
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Juergen Freund / Close up of mantle of a Giant clam (Tridacna sp) Misool, Raja Ampat, West Papua, Indonesia.
01346410
Juergen Freund / Erik Koti dives underwater to clean his farmed Giant clams (Tridacna maxima and Tridacna derasa) Onma Lodge, Kolombangara, Western Province, Solomon Islands, July 2010. Adult clams, often collected fr...
Juergen Freund / Black coral in the reef with clams, Moluccas Islands, Indo-pacific.
01282770
Bryan and Cherry Alexander / Inuit hunters eating Clams from stomach of Walrus(Odobenus rosmarus). Siorapaluk. Northwest Greenland, 1977
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Jouan & Rius / Sun bleached seashells on Shell beach, Coral coast, Westen Australia. August 2009
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Jouan & Rius / Sun bleached seashells on Shell beach, Coral coast, Westen Australia . August 2009
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Tim Laman / Opening in mantle of a giant clam (Tridacna sp.) Color patterns are from symbiotic algae. Malapascua Island. Visayan Sea, Philippines
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Tim Laman / Opening in mantle of a giant clam (Tridacna sp.) Color patterns are from symbiotic algae. Malapascua Island. Visayan Sea, Philippines
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Tim Laman / Close up view of the mantle of a giant clam (Tridacna sp.) These colour patterns are from symbiotic algae. Malapascua Island. Visayan Sea, Philippines
01225957
Juergen Freund / Detail of mantle of Giant clam {Tridacna gigas} Indo-pacific
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Juergen Freund / Giant clam {Tridacna sp} surrounded by blue starfish {Linckia laevigata} Lizard Island, Queensland, Australia, April 2008
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Kirkendall-Spring / Man digging for clams (Corbicula sp) in Wescott Bay of San Juan Island. Washington, USA, May 2009, model released
01277030
Toby Roxburgh / Razor clams / shells (Ensis siliqua), diver caught, on ice for sale in fishmongers. Cornwall, England, UK, 2009.
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Toby Roxburgh / Razor clams / shells (Ensis siliqua), diver caught, on ice for sale in fishmongers. Cornwall, England, UK, 2009.
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Jean E. Roche / Aerial view of Clam fisherman checking fishing nets for the clam {Donax trunculus} Camargue, France, November 2008
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Jean E. Roche / Clam fisherman checking fishing nets for the clam {Donax trunculus} Camargue, France, November 2008
01265419
Gerrit Vyn / Adult Grizzly Bear (Ursus arctos) of the coastal "Brown Bear" type opening a razor clam on a tidal flat. Lake Clark National Park. Alaska, USA
01262103
Philippe Clement / Smooth / Norway cockle (Laevicardium crassum) shells, Brittany, France
01262101
Philippe Clement / Narrow otter shell (Lutraria angustior) on beach, Brittany, France
01262107
Philippe Clement / Oblong otter clam / Oblong otter-shell (Lutraria magna) on beach, Brittany, France
01262105
Philippe Clement / Oblong otter clam / Oblong otter-shell (Lutraria magna) Brittany, France
01262106
Philippe Clement / Oblong otter clam / Oblong otter-shell (Lutraria magna) on beach, Brittany, France
01262138
Philippe Clement / Warty venus (Venus verrucosa) shell, Brittany, France
01262104
Philippe Clement / Smooth / Norway cockle (Laevicardium crassum) shells, Brittany, France
01262108
Philippe Clement / Narrow otter shell (Lutraria angustior) (above) and Oblong otter clam / Oblong otter-shell (Lutraria magna), Brittany, France
01260163
Angelo Gandolfi / Clam gatherers in the shallows, Galicia, Spain. July 2008.
01249134
Jeff Rotman / Fisherwomen collecting clams at low tide, Maputo, Mozambique, November 2008
Philippe Clement / Pullet carpet shell (Venerupis senegalensis) with labels showing anterior and posterior adductor muscle scars, pallial line and pallial sinus, Belgium
01240384
Philippe Clement / Peppery furrow shells / Sand gapers (Scrobicularia plana) on beach, Belgium
01240367
Philippe Clement / Close up of Rayed trough shell (Mactra stultorum cinerea / Mactra corallina cinerea) showing umbo, cardinal teeth, lateral teeth and hinge plate, Belgium
Philippe Clement / Scallop shell {Flexopecten flexuosus} on beach, Belgium
01240321
Philippe Clement / American jackknife clams (Ensis directus) digging in on beach, Belgium.
01240370
Philippe Clement / Common piddock (Pholas dactylus) close up of shell showing the rolled-out hinge area, Normandy, France
01240353
Philippe Clement / Scallop shell {Flexopecten flexuosus} on beach, Belgium
01240369
Philippe Clement / Pullet carpet shell (Venerupis senegalensis) showing anterior and posterior adductor muscle scars, pallial line and pallial sinus, Belgium
01240700
Doc White / Sea otter (Enhydra lutris) using rock to open clam. Monterey Bay, California, USA.
01240698
Doc White / Sea otter (Enhydra lutris) using rock to open clam. Monterey Bay, California, USA.
01240703
Doc White / Sea otter (Enhydra lutris) feeding. Monterey Bay, California, USA.
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Doc White / Sea otter (Enhydra lutris) using rock to open clam. Monterey Bay, California, USA.
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Doc White / Sea otter (Enhydra lutris) eating clam. Monterey Bay, California, USA.
01240706
Doc White / Sea otter (Enhydra lutris) using rock to open clam. Monterey Bay, California, USA.
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GEORGETTE DOUWMA / Close up of mantle of Giant clam (Tridacna gigas) Colours come from symbiotic zooxanthellae in tissue, Misool, Raja Ampat, West Papua, Indonesia.
01237031
GEORGETTE DOUWMA / Mantle of Crocus giant clam (Tridacna crocea) colours come from symbiotic zooxanthellae in tissue, Misool, Raja Ampat, West Papua, Indonesia.