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Common Frog, Rana temporaria tadpole with internal gills, 3 weeks after hatching, in front of white background
Collection of insects in a box: ants
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
Arowana in aquarium, a favorite fish with long body, beautiful dragon shape colorful for decoration in the aquarium in rich family
Freshwater aquatic zooplankton and algae under microscope view
Photomicrograph of flatworm,
amazing inhabitants of the microworld under a microscope
Monotomidae, Coleoptera Fossil in Burmese amber of Cenomanian era, 100 million years ago, from the state of Myanmar, extreme macro shot
Planaria worm in pond water
Words written in a dictionary
Fish Bala shark in aquarium on a green background (Balantiocheilos Melanopterus)
The Arctic grayling (Thymallus arcticus) is a species of freshwater fish in the salmon family Salmonidae. T. arcticus is widespread throughout the Arctic and Pacific drainages in Canada, Alaska, and Siberia, as well as the upper Missouri River drainage in Montana.  Wyoming.
Young atlantic tarpon (Megalops cyprinoides) swimming in the open ocean
Liver Fluke Section under light microscope with white background
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.
Pirarucu (Arapaima gigas) - Amazon River Basin fish
Row of books from different subjects on white
close up photo of the word prisoner
Photo of Flathead grey mullet, a juvenile saltwater fish, against a black background.
Channa maculata swimming in fish tank. An omnivorous fish that lives in the Mekong Delta is used to feed farmers during floods
Microalgae under microscopic view, green algae, cyanobacteria, phytoplankton, diatom, algae mix collage background
Bookshelf with marketing knowledge and skills represented in the form of books (on white background).
Christmas rose plant (Helleborus niger) with lime green yellow flowers growing in a cottage garden, early blooming evergreen perennial, copy space, selected focus, narrow depth of field
Positive and negative cyanotype prints of western Hercules beetle, Dynastes granti.
Japanese gold fin and tailed shinny glacier colored aquarium Killifish “Medaka” ricefish, closeup macro photography.
Cowslip Flowers captured during spring season inside a wood in the canton of schaffhausen. The Flowers often announces springtime.
Micrograph of rat brain. Science cross section.
Larvae of these beetles are xylophagous. They mainly feed on downy oak (Quercus pubescens), evergreen oak (Quercus ilex) and cork oak (Quercus suber). These longhorn beetle are considered a pest of oaks\n\nThey are considered  a danger for Quercus Forests
Demodex parasite under skin dog take photo from microscope
Aquarium tropical fish: otocinclus
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