Enrique Lopez-Tapia,Enrique Lopez-Tapia / View of Trango Towers (6,286m), Central Karakoram National Park, Pakistan, July 2007.
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David Fleetham / Auger shell (Terebridae) eye to eye with Skeleton shrimp (Caprellidae sp), close-up. Blurry areas in the background where freshwater is percolating up through sand and mixing with saltwater. Philippin...
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Tony Wu / Lumpsucker (Eumicrotremus uenoi) juvenile sitting on algae (Colpomenia sinuosa). Sea of Japan, Japan. March.
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Tony Wu / Smooth lumpsucker (Aptocyclus ventricosus), juvenile resting on algae (Colpomenia sinuosa). Toyama Prefecture, Honshu, Japan. March.
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Tony Wu / Smooth lumpsucker (Aptocyclus ventricosus), juvenile with mouth open sitting on algae. Toyama Prefecture, Honshu, Japan. March.
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Alex Hyde / Close-up of Owl Butterfly (Caligo memnon) head showing compound eyes. Captive, originating from Central America.
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Alex Hyde / Caterpillar of the Citrus Swallowtail butterfly (Papillio demodocus). The caterpillar is a bird dropping mimic. Captive, originating from Africa.
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Alex Hyde / Hairs on the foot pad of a tarantula shown on false-colour scanning electron micrograph (SEM. The hairs are finely divided and their large surface area enables the tarantula to grip smooth surfaces.
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Alex Mustard / High magnification photo of Nudibranch (Nembrotha kubaryana), showing orange mouth parts and sensory rhinophores, and green gills (out of focus) Bitung, North Sulawesi, Indonesia. Lembeh Strait, Moluc...
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Chris Newbert / Giant Clam (Tridacna gigas) mantle detail, world's largest and heaviest mollusk, 20 feet deep off of Solomon Islands
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Chris Newbert / Giant Clam (Tridacna gigas) world's largest and heaviest mollusk, 10 feet deep off of Solomon Islands
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Konrad Wothe / Tuatara (Sphenodon punctatus) portrait, the only surviving species of an order that flourished 200 million years ago, New Zealand
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Konrad Wothe / Tuatara (Sphenodon punctatus) portrait, the only surviving species of an order that flourished 200 million years ago, New Zealand
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Konrad Wothe / Tuatara (Sphenodon punctatus) portrait, the only surviving species of an order that flourished 200 million years ago, New Zealand
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Norbert Wu / Reef Stonefish (Synanceia verrucosa) camouflaged like a rock as it lays in sand, most venomous fish in the world, Solomon Islands
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Joel Sartore / Photo Ark / Female Asiatic wildcat (Felis silvestris ornata) named Tilly, Henry Doorly Zoo and Aquarium, Omaha, USA. Captive.