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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
Freshwater aquatic zooplankton and algae under microscope view
Carabus nemoralis Bronze Carabid Ground Beetle Insect. Digitally Enhanced Photograph.
amazing inhabitants of the microworld under a microscope
Bookshelf with marketing knowledge and skills represented in the form of books (on white background).
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
Pirarucu (Arapaima gigas) - Amazon River Basin fish
Monotomidae, Coleoptera Fossil in Burmese amber of Cenomanian era, 100 million years ago, from the state of Myanmar, extreme macro shot
Photomicrograph of flatworm,
close up photo of the word prisoner
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.
Leiden leaf c.s. under microscope
Liver Fluke Section under light microscope with white background
Photo of Flathead grey mullet, a juvenile saltwater fish, against a black 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.
Microalgae under microscopic view, green algae, cyanobacteria, phytoplankton, diatom, algae mix collage background
A golden Arowana in an aquarium.
Japanese gold fin and tailed shinny glacier colored aquarium Killifish “Medaka” ricefish, closeup macro photography.
Channa maculata swimming in fish tank. An omnivorous fish that lives in the Mekong Delta is used to feed farmers during floods
a redline rasbora, it's a nano schooling fish that dwells on mid to top of their environment
Cowslip Flowers captured during spring season inside a wood in the canton of schaffhausen. The Flowers often announces springtime.
Young atlantic tarpon (Megalops cyprinoides) swimming in the open ocean
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
Photomicrograph of two rotifers. Rapidly rotating cilia at top of heads, internal organs visible. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
close up photo of the word discrimination
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