Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Planarian parasite (flatworm) under microscope view.
Close up of a blow fly on a leaf
Banded Demoiselle on a leaf
Liver Fluke Section under light microscope with white background
Picture featuring blue dragonfly.
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.
Corydoras pygmaeus, small and cute freshwater tropical fish
Cherry Shrimp Close-up in aquarium
Close up, Otocinclus in aquarium freshwater fish tank.
Rat tailed maggot photographed in a studio
Leiden leaf c.s. under microscope
Pacific herring swimming in the aquarium
Roofs of an old village with a smoking chimney and copyspaceSnarling larvae are hanging on the water surface against a gray background
Simuliidae, black fly (Diptera) in Baltic amber, Eocene, approximately 56 - 34 million years ago. Image taken with extreme macro and focus stacking technique.
the tail of Aelurostrongylus abstrusus, cat lungworm under the microscope
Aquarium tropical fish: otocinclus
Aquatic (fresh water) nematode living in pond water among cyanobacteria. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Microscopic close view of high vaginal swab Gram stain smear, 100x. diagnosis of Bacterial vaginosis (BV).
Many fresh raw live shrimps close up, heap of prawns on seafood market, tropical marine crustaceans, gourmet healthy food, sea or ocean animal, shrimp pattern, prawn texture. Raw Prawns. Red Shrimp Prawn.
Shot of a corydoras panda fish, it is cleaning the ground of tha aquarium. Shot with high megapixel DSLR camera, Canon 5DSR
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
Lucilia caesar Common Greenbottle Blow Fly Insect. Digitally Enhanced Photograph.
Common house fly in habitable environments located in an open bottom in spring
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.
Black Soldier Fly - latin name is Hermetia illucens.  Close-up of fly sitting on a leaf. This species is used in the production of protein.
Sciaroidea insect Fossil inside Burmese Amber of Cenomanian Era, 100 million years ago, from the state of Myanmar
Freshwater aquatic zooplankton and algae under microscope view
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