Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Leiden leaf c.s. under microscope
Axolotl. Mexican walking fish. Ambystoma mexicanum
Banded Demoiselle on a leaf
Close up of a blow fly on a leaf
Microscopic close view of high vaginal swab Gram stain smear, 100x. diagnosis of Bacterial vaginosis (BV).
Shot of a corydoras panda fish, it is cleaning the ground of tha aquarium. Shot with high megapixel DSLR camera, Canon 5DSR
Corydoras pygmaeus, small and cute freshwater tropical fish
Lucilia caesar Common Greenbottle Blow Fly Insect. Digitally Enhanced Photograph.
Picture featuring blue dragonfly.
Bavaria, Germanay. Close-up of a beautiful opend Blue-winged Demoiselle Calopteryx virgo Dragonfly with Black and White Background.
Planarian parasite (flatworm) under microscope view.
Liver Fluke Section under light microscope with white background
Roofs of an old village with a smoking chimney and copyspaceSnarling larvae are hanging on the water surface against a gray background
Rat tailed maggot photographed in a studio
Planaria worm in pond water
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 filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
Close up, Otocinclus in aquarium freshwater fish tank.
Artemia Salina - Brine Shrimp are food of Seahorses and many other Saltwater Animals
Macro shot of a blue fly on a leaf
A functional insect of the order Neuroptera in the wild, North China
Erythema of ponds is heated in the sun in summer.
Common house fly in habitable environments located in an open bottom in spring
Freshwater aquatic zooplankton and algae under microscope view
Pacific herring swimming in the aquarium
the tail of Aelurostrongylus abstrusus, cat lungworm under the microscope
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.
Aquatic (fresh water) nematode living in pond water among cyanobacteria. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Euglena single cell flagellate eukaryotes under the microscope
Free Images: "bestof:H-axyridis LMb 19.jpg en Harmonia axyridis Larva to pupa series B image 4 of 4 - Final pupa Location Hengelo Overijssel Netherlands Veelkleurig Aziatisch"
Terms of Use   Search of the Day