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Planaria worm in pond water
Collection of Flying Insect Specimens
Java barb (Barbonymus gonionotus), also known as the silver barb.
Male common whitetail (Plathemis lydia) on rock. A North American dragonfly.
exotic aquarium fish astranatous with close-up
Photomicrograph of mayfly nymph, Baetis species, with leaflike gills on back. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination.
Picture featuring blue dragonfly.
Cherry Shrimp Close-up in aquarium
Damselfly on plant
The pale blue males, showing off their white legs to each other, are a familiar sight along rivers and calm streams in large parts of Europe. \nField characteristics: Tot 35-37mm, Ab 27-31mm, Hw 19-23mm.\nDistribution: occurs in a great part of Europe, but are absent in northern England, Ireland and northern Scandinavia.\nHabitat: Characteristic of floodplains, dominant on oxbows, rivers and open stretches of streams. Also lakes and a wide range of man-made habitats.\nFlight Season: From the start of May to the end of September.\n\n\nThis Picture is made during a Vacation in Bulgaria in May 2018.
Struma stone loach - Oxynoemacheilus bureschi species of ray-finned fish in the stone loach family Nemacheilidae, found in the Struma, Vardar and Nestos river basins Bulgaria, Greece, North Macedonia and Serbia.
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Corydoras fish on the bottom and in the aquarium.
An image of a Migrant Hawker Dragonfly at rest on foliage in sunlight.
It is a dragonfly of considerable size, the male has a bright green thorax and a light blue abdomen.
Closeup Group of Green Spotted Puffer Fish Isolated on White Background
An African species that extends into adjacent Eurasia. Once common only in the Mediterranean region, the robust and aggressive virtual all-red male is becoming an increasingly common sight further north.\nField characters: Tot 36-45mm, Ab 18-33mm, Hw 23-33mm. A bit larger and substantially bulkier than Sympetrum species. \n\nThis beautiful Dragonfly is nowadays a quite common Species in the Netherlands.
Closeup of an Egyptian Locust (Anacridium aegyptium) sitting on a stone, sunny day in springtime, Cres Croatia
Small gray moth, native to coastal California. Found in areas with coastal live oaks.
Close-up view of a Peacock bass (Cichla sp.)
A Banded Demoiselle poised on dead grass head in sunlight
An emerald damselfly resting on a leaf.
Hummingbird moth feeding on a butterfly bush blossom
The weatherfish (Misgurnus fossilis) in natural underwater habitat - head detail
Two male banded demoiselles (Calopteryx splendens), territory fight.
Planarian parasite (flatworm) under microscope view.
Field characters: Tot 44-50mm, Ab 29-35mm, Hw 35-41mm.\n\nKnown as 'blue arrows', the males of this active species, sheering fast and low above water or perching on open ground beside it, are one of the most familiar dragonfly sights in our area.\nRange and Status: Found throughout our area, with the exception of the northern Scandinavia. one of the most common species.\nHabitat: Larger standing or slow-flowing waters, generally open and often with margins without vegetation, such as lakes, sandpits, rivers and canals.\nFlight Season: From the end of April to the beginning of September, most abundant from June to August.\n\nThis is a common Species on the described Habitats in the Netherlands.
Large walnut aphid (Panaphis juglandis) on the upper side of leaf of walnut (Juglans regia) nymphs and adults.
A Damselfly at rest
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