Joel Sartore / Photo Ark / Big claw crayfish (Faxonius placidus) female, Upper Duck River form, portrait, Tennessee, USA.
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Joel Sartore / Photo Ark / Blue land crab (Cardisoma guanhumi) portrait, near Vero Beach, Florida, USA.
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Joel Sartore / Photo Ark / Eastern lampmussel (Lampsilis radiata) portrait, Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
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Joel Sartore / Photo Ark / Alewife floater (Utterbackiana implicata) portrait, Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
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Joel Sartore / Photo Ark / Eastern floater mussel (Pyganodon cataracta) portrait, Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
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Joel Sartore / Photo Ark / Mountain creekshell (Villosa vanuxemensis) portrait from the Clinch River, Tennessee. Photographed at the Aquatic Wildlife Conservation Center, Virginia, USA. Captive.
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Joel Sartore / Photo Ark / Giant floater mussel (Pyganodon grandis) aged 11 years, portrait, from the St. Croix River, Minnesota, USA.
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Joel Sartore / Photo Ark / Monkeyface mussel (Theliderma metanevra) portrait, from the St. Croix River, Minnesota, USA.
