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The cherry barb (Puntius titteya) is a tropical freshwater fish belonging to the family Cyprinidae. It is native to Sri Lanka, and introduced populations have become established in Mexico and Colombia.
Larvae of these beetles are xylophagous. They mainly feed on downy oak (Quercus pubescens), evergreen oak (Quercus ilex) and cork oak (Quercus suber). These longhorn beetle are considered a pest of oaks\n\nThey are considered  a danger for Quercus Forests
European bullhead (Cottus gobio). Wildlife animal.
Axolotl. Mexican walking fish. Ambystoma mexicanum
Axolotl on the sand. Close up macro view
Aquatic (fresh water) nematode living in pond water among cyanobacteria. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Weather loach (Misgurnus fossilis) on the background of a 5 mm measurement grid. Ichthyology research.
The dark-eyed junco (Junco hyemalis) is a species of junco, a group of small, grayish New World sparrows. This bird is common across much of temperate North America and in summer ranges far into the Arctic.
A cute axolotl poses on a stone
A spotted sandpiper in non-breeding plumage on a dried branch on a beach in Costa Rica.
Common Frog, Rana temporaria tadpole with hind legs, 8 weeks after hatching, in front of 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.
Ambystoma mexicanum - Mexican walking fish - freshwater animal
Insect Specimens: Colorful Beetle
Bulgarian spined loach - Cobitis strumicae species of ray-finned fresh water fish in the family Cobitidae. It is found in Bulgaria and Greece.
European stag beetle in forest, near BArcelona, Pyrenees forest with oak trees.
Gambusia is a large genus of fish in family Poeciliidae. Gambusia contains over 40 species, most of which are principally found in freshwater habitats, though some species may also be found in brackish or saltwater habitats.
Axolotl. Mexican walking fish. Ambystoma mexicanum
Weather loach (Misgurnus fossilis) on the background of a 5 mm measurement grid. Ichthyology research.
Carabus nemoralis Bronze Carabid Ground Beetle Insect. Digitally Enhanced Photograph.
Atlantic Cod -  Gadus morhua
Green aphid isolated on white (around 3mm in length)
Ambystoma mexicanum, axolotl feeding
Giant beetle insect specimen
Common Frog, Rana temporaria tadpole with internal gills, 3 weeks after hatching, in front of white background
Pacific herring swimming in the aquarium
A live snakehead fish isolated on white background
The axolotl, Ambystoma mexicanum,is a paedomorphic salamander closely related to the tiger salamander. Axolotls are unusual among amphibians in that they reach adulthood without undergoing metamorphosis.
Palmate newt, Triturus helveticus, single male under water
Closed up small bird, adult Northern wheatear or wheatear, low angle view, side shot, perching on the fallen branch of the palm tree in the morning in nature of agriculture field in northern Thailand.
Free Images: "bestof:Dytiscus marginalis male-female.png Table of different Dytiscidae species From Edmund Reitter 1845-1920 Fauna Germanica Die Käfer des deutschen Reiches 1909"
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