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Common Frog, Rana temporaria tadpole with internal gills, 3 weeks after hatching, in front of white background
Amphibians portraits: toads and frogs studio shots. Green frog, Rana lessonae, rana esculenta, or Rana ridibunda, Phelophylax
Trichopodus pectoralis,Colorful freshwater fish and food that tastes good
Perch (Perca fluviatilis)
Flatfish caught from sea isolated
Common Dentex fish fresh isolated on white from sparidae family as Sea Bream and Snapper profile view
Side view of a pirahna isolated on white background
Carp tail close-up isolated on white background
Siamese fighting fish or Betta fish isolated
Male white wagtail (Motacilla alba) perching on a branch.
African Bull Frog Pyxicephalus adsperus edulis  Pixie Frog on white background
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.
Spring is the spawning season for frogs and salamander in the lakes of the alpine mountains of Austria. They grow up  in the fresh, cool and clear water of the lakes.
Green Frog Isolated on White
Fresh Brill, scophthalmus rhombus against White Background
Close up Northern Wheatear
Smelt fish isolated on white background
Amphibians portraits: toads and frogs studio shots. Green frog, Rana lessonae, rana esculenta, or Rana ridibunda, Phelophylax
Pacu fish piranha. Colossoma macropomum on white background. Captive occurs in South America
Green aphid isolated on white (around 3mm in length)
isolated on white
Aquatic (fresh water) nematode living in pond water among cyanobacteria. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Parrotfish, live fish, Japanese saltwater fish
Great tit (Parus major)
Corydoras fry
Common chiffchaff (Phylloscopus collybita) starting to fly.
Rana temporaria; younger
Aquarium tropical fish: otocinclus
Freshwater bream fish isolated on natural underwater background
Great Tit (Parus major) standing on a woodland branch in Winter.
Free Images: "bestof:Eotitanops minimus.png Eotitanops minimus Matthew C Mihlbachler Species taxonomy phylogeny and biogeography of the Brontotheriidae Mammalia Perissodactyla In"
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