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Platypus - Ornithorhynchus anatinus, duck-billed platypus, semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania. Strange water marsupial with duck beak and flat fin tail.
Haliotis kamtschatkana, northern abalone or pinto abalone, is a species of large sea snail, a marine gastropod mollusc in the family Haliotidae, the abalones. It has been listed as \
Beluga sturgeon or Huso huso swimming alone
Swimming slowly, a large white sturgeon and salmon cruise the water in the Bonneville Fish Hatchery and Sturgeon Center along Oregon’s Columbia River.
Catfish isolated on white background. Clipping path inside.
Hippopotamus (Hippopotamus amphibius)    walking across the savanna in the rainy season with a cattle egret (Bubulcus ibis) on its back. Ngorongoro Crater, Tanzania, Africa
Curious eurasian otter (Lutra lutra) looking up in a stream.
Fish bred in captivity to extract caviar and other products in Loja, Spain.
Atlantic Halibut
Amphibians portraits: toads and frogs studio shots. Green frog, Rana lessonae, rana esculenta, or Rana ridibunda, Phelophylax
A female wild-type axolotl (Ambystoma mexicanum). These salamanders are extensively used in research laboratories around the world, in no small part due to the fact that they have astonishing regenerative potential. In their native habitat, they are threatened with extinction.
Chiton, Tripoplax regularis. on a rock at Salt Point State Park in Sonoma County, California.
shovelnose sturgeon, Scaphirhynchus platorynchus, aquarium image
Underwater image of Nurse shark in the blue ocean of Bimini, The Bahamas
Copepod - micro organism
Frontal view of a swimming hippopotamus in the Okavango Delta in Botswana
Freshwater bream fish isolated on natural underwater background
Monotomidae, Coleoptera Fossil in Burmese amber of Cenomanian era, 100 million years ago, from the state of Myanmar, extreme macro shot
exotic aquarium fish astranatous with close-up
The peacock flounder (Bothus mancus), also known as the flowery flounder, is a species of fish in the family Bothidae (lefteye flounders). The species is found widely in relatively shallow waters in the Indo-Pacific, also ranging into warmer parts of the east Pacific. Maui Island,
Manatees gathered together in a lagoon
Photomicrograph of mayfly nymph, Baetis species, with leaflike gills on back. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination.
Hippo (Hippopotamus amphibius) in a river in Serengeti National Park, Tanzania. Wildlife of Africa
The dugong is a medium-sized marine mammal. It is one of four living species of the order Sirenia, which also includes three species of manatees. It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalis gigas), was hunted to extinction in the 18th century. The dugong is the only strictly marine herbivorous mammal, as all species of manatee use fresh water to some degree.
Close-up view of a Silver arowana (Osteoglossum bicirrhosum)
Female manatee and calf near Titusville, Florida
European sea sturgeon (Acipenser sturio), also known as the Atlantic sturgeon.
an eel searches for food on the Los Llanos region of Colombia
Insect feeding on paper - silverfish. Pest books and newspapers.
Curious eurasian otter (Lutra lutra) looking up.
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