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Green algae cells background
Common midwife toad in close up images
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
Photomicrograph of rotifer, probably Rotaria rotatoria. Rapidly rotating cilia at top of head, internal organs visible. Green circles are algae. Live specimen. Original image at 40X, wet mount, transmitted brightfield illumination. Indistinct image due to motion blur of live specimen and very shallow depth of field of brightfield illumination.
Freshwater aquatic zooplankton and algae under microscope view
Ornamental fish in a home aquarium
amazing inhabitants of the microworld under a microscope
Underwater large arapaima
Pirarucu (Arapaima gigas) - Amazon River Basin fish
Koi and goldfish photographed in motion in a garden pond
Planarian parasite (flatworm) under microscope view.
Red tailed catfish
the tail of Aelurostrongylus abstrusus, cat lungworm under the microscope
Pacific herring swimming in the aquarium
Freshwater Closterium algae (unicellular charophyte green algae) - optical microscope x200 magnification
Egg of intestinal fluke in human stool, analyze by microscope, original magnification 400x
Amphibians portraits: toads and frogs studio shots. Green frog, Rana lessonae, rana esculenta, or Rana ridibunda, Phelophylax
River fish living in clean water
Large Pacu Freshwater Fish in Aquarium Tank
Water Monitor Lizard resting in garbage in a park in Bangkok
Close-up view of a Giant gourami (Osphronemus goramy)
Swimming slowly, a large white sturgeon and salmon cruise the water in the Bonneville Fish Hatchery and Sturgeon Center along Oregon’s Columbia River.
Sturgeon fish swims in an aquarium.
Aquarium tropical fish: otocinclus
Iberian frog (Rana iberica) leggy frog
Simuliidae, black fly (Diptera) in Baltic amber, Eocene, approximately 56 - 34 million years ago. Image taken with extreme macro and focus stacking technique.
Photomicrograph of flatworm,
The cane toad (Rhinella marina), also known as the giant neotropical toad or marine toad, is a large, terrestrial true toad native to South and mainland Central America,
Free Images: "bestof:MonographTrochi4Goul 0150.jpg Helianthea lutetiae Coeligena lutetiae http //www michel-desfayes org/hummingbirds html Gould John A monograph of the Trochilidae"
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