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Set of many different fish, isolated, collection
Axolotl. Mexican walking fish. Ambystoma mexicanum
European bullhead (Cottus gobio). Wildlife animal.
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
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.
Atlantic Cod -  Gadus morhua
A spotted sandpiper in non-breeding plumage on a dried branch on a beach in Costa Rica.
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.
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.
Common Frog, Rana temporaria tadpole with hind legs, 8 weeks after hatching, in front of white background
Insect Specimens: Colorful Beetle
Ambystoma mexicanum - Mexican walking fish - freshwater animal
European stag beetle in forest, near BArcelona, Pyrenees forest with oak trees.
Bulgarian spined loach - Cobitis strumicae species of ray-finned fresh water fish in the family Cobitidae. It is found in Bulgaria and Greece.
Walking past a yellow honey locust leaf, an iridescent emerald ash borer inspects a wood plank in Littleton, Colorado.
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.
Pacific herring swimming in the aquarium
Weather loach (Misgurnus fossilis) on the background of a 5 mm measurement grid. Ichthyology research.
Giant beetle insect specimen
Common Frog, Rana temporaria tadpole with internal gills, 3 weeks after hatching, in front of white background
Northern Mockingbird (Mimus polyglottos) perched on a stump. Texas.
Insect collection of  Scarab beetles (Rutelinae) specimen isolated on white background photoed by macro lens.
Channa maculata swimming in fish tank. An omnivorous fish that lives in the Mekong Delta is used to feed farmers during floods
Close up of Lepidoptera, North China
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
Insect Specimens: Colorful Beetle
Set of True Bugs of Europe - Hemiptera
A northern mockingbird perches on the rim of a rain gauge.
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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