Michel Roggo / Watermilfoil (Myriophyllum spicatum) with some stems supporting clusters of Zebra mussel (Dreissena polymorpha) Lake Neuchatel, Switzerland. Highly commended in the Plants category of the Wildlife Pho...
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Juergen Freund / Timelapse of Giant sea cucumbers (Thelenota ananas) moving underwater, with a Giant clam (Tridacna gigas) in the background, Great Barrier Reef, Queensland, Australia, 2015.
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Juergen Freund / Giant clam (Tridacna gigas) Raja Ampat, West Papua, Indonesia.
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Pascal Kobeh / Giant clam (Tridacna) on 'Lotus' artificial reef, built in 2001 with a steel frame using mild electric currents to encourage coral growth, with diver in the background. Vabbinfaru Island in North Male...
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Steven David Miller / Tombstone for 200 Giant clams (Tridacna gigas) illegally harvested in and around Evans Shoal, Darwin. Northern Territory, Australia. 2017.
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Georgette Douwma / Pattern on mantle of Giant clam (Tridacna gigas). West Papua, Indonesia. Indo-West Pacific.
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David Fleetham / Horseshoe clam (Hippopus hippopus) mantle, close-up. Philippines.
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Richard Robinson / Giant Clam (Tridacna sp.) at North Minerva Reef / Teleki Tokelau a disputed territory in the South Pacific between Tonga and Fiji.
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Richard Robinson / Giant Clam (Tridacna sp.) at North Minerva Reef / Teleki Tokelau a disputed territory in the South Pacific between Tonga and Fiji.
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Richard Robinson / Giant Clam (Tridacna sp.) at North Minerva Reef / Teleki Tokelau a disputed territory in the South Pacific between Tonga and Fiji. January.
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Jordi Chias / Table coral (Acropora) with Giant clams (Tridacna gigas) Addu Atoll, Maldives, Indian Ocean.
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Cyril Ruoso / Asian clams (Corbicula fluminea) on river bed, exotic and invasive species, River Lot, France, August.