Ingo Arndt / Antarctic Krill (Euphausia superba) with yellow algae in stomach, a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Weddell Sea, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) feeding on algae-covered ice, a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) mass feeding on algae growing on underside of ice, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
Flip Nicklin / Antarctic Krill (Euphausia superba) schooling underwater, this small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
Flip Nicklin / Antarctic Krill (Euphausia superba) group, a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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David Tipling / Antarctic Krill (Euphausia superba) Antarctica, January
Ingo Arndt / Antarctic Krill (Euphausia superba) with yellow algae in stomach, a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Weddell Sea, Antarctica
DAVID TIPLING / Antarctic krill {Euphasia superba} Antarctica.
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Flip Nicklin / Antarctic Krill (Euphausia superba) feeding on algae-covered ice, a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) feeding on algae-covered ice, a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) feeding on algae-covered ice, a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) feeding on algae, a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) schooling underwater, this small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
Flip Nicklin / Antarctic Krill (Euphausia superba) schooling underwater, this small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) schooling underwater, this small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, shown feeding on diatoms which it filters through modified appendages, A...
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Flip Nicklin / Diatoms tiny phytoplankton which are food for Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, shown feeding on diatoms which it filters through modified appendages, A...
Flip Nicklin / Diatoms tiny phytoplankton which are food for Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Diatoms tiny phytoplankton which are food for Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Diatoms tiny phytoplankton which are food for Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, shown feeding on diatoms which it filters through modified appendages, A...
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Flip Nicklin / Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, shown feeding on diatoms which it filters through modified appendages, A...
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Flip Nicklin / Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, shown feeding on diatoms which it filters through modified appendages, A...
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Flip Nicklin / Antarctic Krill (Euphausia superba) feeding on algae-covered ice, a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) held by fisherman, this small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) feeding on algae-covered ice, a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Tui De Roy / Chinstrap Penguin (Pygoscelis antarctica) parent regurgitating Antarctic Krill (Euphausia superba) for chick, Cape Lookout, Elephant Island, Antarctic Peninsula, Antarctica
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Norbert Wu / Krill (Stylocheiron maximum) shown along side larger Antarctic Krill (Euphausia superba) deep sea, Eastern Pacific
Flip Nicklin / Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the food web, Antarctica
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Flip Nicklin / Antarctic Krill (Euphausia superba) a small shrimp-like crustacean is the most important zooplankton in the Antarctic food web, Antarctica