Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Planarian parasite (flatworm) under microscope view.
Axolotl. Mexican walking fish. Ambystoma mexicanum
Microalgae under microscopic view, green algae, cyanobacteria, phytoplankton, diatom, algae mix collage background
Close up of first and fourth instars of mosquito larvae and pupa,
amazing inhabitants of the microworld under a microscope
Bone marrow plasma cells .Plasma cell neoplasms are diseases in which the body makes too many plasma cells. Plasma cell neoplasms can be benign or malignant. Diagnosed with Immunostain CD138 positive.
Micro photo of Tardigrade
Rare Scorpion (Arachnida) inclusion in Burmese amber, Myanmar, Cenomian, Upper Cretaceous, approximately 100 million years ago, age of dinosaurs. Image taken with extreme macro and focus stacking technique.
Leiden leaf c.s. under microscope
Liver Fluke Section under light microscope with white background
Planaria worm in pond water
Rat tailed maggot photographed in a studio
the head 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.
Microscopic Rotifer or Rotifera under a microscope, freshwater bentic organism filtering water.
Aquarium tropical fish: otocinclus
Swimming Tadpole of Phelophylax frog swimming in water with green background while mouth is visible
Macro photo of green plant in rainforest environement.
Microscopic close view of high vaginal swab Gram stain smear, 100x. diagnosis of Bacterial vaginosis (BV).
Cherry Shrimp Close-up in aquarium
Corydoras pygmaeus, small and cute freshwater tropical fish
Aquatic (fresh water) nematode living in pond water among cyanobacteria. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Freshwater Closterium algae (unicellular charophyte green algae) - optical microscope x200 magnification
Shot of a corydoras panda fish, it is cleaning the ground of tha aquarium. Shot with high megapixel DSLR camera, Canon 5DSR
Freshwater aquatic zooplankton and algae under microscope view
Pacific herring swimming in the aquarium
Mysis (zooplankton) under the microscope.
Chiton, Tripoplax regularis. on a rock at Salt Point State Park in Sonoma County, California.
Chaetoceros is the largest genus of marine planktonic diatoms, phytoplankton
Close up of a blow fly on a leaf
Free Images: "bestof:H-axyridis LMa 22p.jpg Harmonia axyridis Pupa to image series A image 3 of 4 - about 2-4 hours after leaving pupa <br>Location Hengelo Overijssel Netherlands"
Terms of Use   Search of the Day