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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.
Tinfoil barb (Barbonymus schwanenfeldii). Wildlife animal.
Picture featuring blue dragonfly.
A deer stands in the water and looks up into the camera
Freshwater aquatic zooplankton and algae under microscope view
Carp tail close-up isolated on white background
Large Kingfish or Amberjack swimming in clear blue water
Spore bags of helminthosporium contain 8 cells. This disease causes helminthosporiosis of wheat. Soon very small and quite harmful.
couple dear
Beautiful female roe deer (Capreolus capreolus) standing in front of a meadow.
coral reef in the Red Sea, egypt
A scenic image of a red deer stag in  woodland
Roe deer buck in summer. Mammal, capreolus capreolus, on green meadow with blurred background. Male wild animal in nature. Wildlife scenery.
A young male deer is standing in a field with a small bird on her back. This deer and bird is in western Washington State. This is a spike with antler velvet.
Nile Tilapia or Pla nin in Thai, freshwater fish is isolated on white background.
Animal : adult male Brow-antlered deer, also known as Eld's deer, or thamin, low angle view, side shot, in the morning foraging in nature of tropical dry forest, national park in northeastern Thailand.
Group of gold fishes swimming in aquarium
Elk
Fresh trout isolated
Red deer stag in the rutting season in Dyrehaven – The Deer Park – north of Copenhagen and part of the UNESCO World Heritage Site inscribed as a Par force hunting landscape in North Zealand. Today it is a public and popular park with semi wild deer and possibilities for horse riding and picnics
Deer with majestic antlers standing gracefully in grassy surroundings near a human observer
Copepod with egg sacs. Live specimen. Wet mount, 10X objective, combination of transmitted brightfield illumination.
Ptereleotris evides, the Blackfin dartfish, occurs in outer reef slopes, also inhabits lagoons and bays. Usually in pairs as adults and in small aggregations as juveniles. High quality photo
Swimming with a whale shark in the ocean
small and big crucian isolated on white background
adult female Brow-antlered deer, also known as Eld's deer, or thamin, low angle view, side shot, in the morning and sitting relaxing in nature of tropical dry forest, national park in northeastern Thailand.
the tail of Aelurostrongylus abstrusus, cat lungworm under the microscope
Beautiful doe (Capreolus capreolus) strutting in a meadow.
Photograph of autotrophic Euglena through microscope under brightfield illumination.
A beautiful Aeschne Cyrano Dragonfly pauses on a leaf in the Canadian boreal forest.
Free Images: "bestof:Melese hebetis.JPG Melese hebetis en Arctiinae adults all in dorsal view Novitates Zoologicae http //www archive org/details/novitateszoologi18lond Volume 18"
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