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A Bluefin gurnard fish (Chelidonichthys kumu) displaying colourful pectoral fins with a large black eye spot in the centre

Goldfish swimming in the water with a black background photographed in Chengdu

Hemiptera wax Cicadellidae insects on wild plants, North China

Nereid (segmented worm) from San Fancisco Bay, California, USA. Photographed through a microscope. Wet mount (internal organs visible), 50X, transmitted light.

A close up of a frog sitting on a wooden surface. This amphibian has the scientific name Rana temporaria.

Tenthredinidae Black And Yellow Sawfly Insect. Digitally Enhanced Photograph.

The Kajika frog or Buerger's frog (Buergeria buergeri) is a species of frog in the family Rhacophoridae. It is endemic to Japan.

Autumn foraging finds Poison Puffball amongst leaf litter

Lepidurus packardi, the vernal pool tadpole shrimp, is a small, rare species of tadpole shrimp (Notostraca) found in temporary ponds of the western United States. Branchiopoda. Jepson Prairie Preserve, California.

With transparent wings, a caddisfly perches on granite boulder along the South Platte River in Waterton Canyon, Littleton, Colorado.

$Cacopsylla melanoneura is an insect of the Psyllidae family. Feed on apple trees and is considered the main vector of the phytoplasma disease - Candidatus Phytoplasma mali\$

Clausiliidae Door Snail. Digitally Enhanced Photograph.

Close up on a Plecoptera insect, hanging on a rock

Old man of the woods (Strobilomyces strobilaceus), a bolete (i.e., mushroom) with distinctive dark pyramidal warts on a light surface, native to North America and Europe. In a Connecticut oak-hickory-maple forest, late summer.

Aphids crawling on green leaves, North China

$Tot 50-55mm, Ab, 37-42mm, Hw 30-35mm.\nIdentification:\nThe characters of this clubtail are rather different . It prefers very large (lowland) rivers and may easily be overlooked. Populations can best be found by searching for exuviae on river banks.\nOccurrence:\nA north Asian species, with western outposts in large rivers such as the Rhine, Loire and Po. Common in large lowland rivers in eastern Europe, but staged a strong comeback in Western Europe in the 1990s. Now abundant in rivers such as the Rhine, Elbe and Danube, right down to their estuaries.\nHabitat:\nSlow flowing lower sections of large rivers with sandy beds. Larvae burrow shallowly in fine substrates with relatively high concentrations of organic matter.\nFlight Season:\nLate and protracted, compared with other Gomphus species, from early June to early October, with maximum emergence in June and July.\n\nThis is a scarce Gomphus Species along the large Dutch Rivers. This Picture is made along the River Waal, near “Slot Loevestein” in the Province of Gelderland.$

Photo of Tripletail, a juvenile saltwater fish, against a black background.

Small unusual-looking insect resting on a leaf

a fly larva clings to a roack in the Middle Fork of the Flathead River, Montana

Theodoxus fluviatilis, common name the river nerite, is a species of small freshwater and brackish water snail with a gill and an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites.

Ichneumon confusor Wasp Insect. Digitally Enhanced Photograph.

Juvenile leaf wrasse fish (Xyrichtys dea) or also known as Black-spot tuskfish. Image was taken in Dumaguete, the Philippines.

Free Images: "bestof:Acerina.jpg en Gymnocephalus cernuus photographed in northern Italy Photo by Augusto Degiovanni Own Etrusko25 Gymnocephalus cernuus"

Castor Pollux Dioscures Capitole, Rome, Italy.jpg

Two columns, perspective, Musei Capitolini, Rome, Italy.jpg

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Trophée romain, Piazza del Popolo, Rome, Italie.jpg

Roman She-wolf, Romulus, Remus, replica Capitole, Rome, Italy.jpg

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Maestro della fiasca di forlì, fiori in una fiasca impagliata, 1625-30 circa (musei di forlì) 01.JPG

Maestro della fiasca di forlì, fiori in una fiasca impagliata, 1625-30 circa (musei di forlì) 02.JPG

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