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Ambystoma mexicanum - Mexican walking fish - freshwater animal
Bavaria, Germanay. Close-up of a beautiful opend Blue-winged Demoiselle Calopteryx virgo Dragonfly with Black and White Background.
Picture featuring blue dragonfly.
Dwarf cichlid male of Apistogramma Panduro
Pleco Catfish L-260 Queen Arabesque Hypostomus sp Plecostomus aquarium fish
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.
couple of Fish Ancistrus - Catfish in a home freshwater aquarium with a green Anubias plants
Axolotl. Mexican walking fish. Ambystoma mexicanum
Xenacanthus from the Triassic era 3D illustration
Bavaria, Germanay. Close-up of a beautiful opend Blue-winged Demoiselle Calopteryx virgo Dragonfly with green Background.
The Plantar aponeurosis is the modification of Deep fascia, which covers the sole 3d illustration
Ruddy Darter Red Dragonfly perched on a reed leaf in Woodwalton Fen nature reserve.
Aquatic (fresh water) nematode living in pond water among cyanobacteria. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Blue dragonfly on a green leaf
A collection of animals, fish, insects that lived during the Carboniferous Period.
Beautiful coloful dragonfly sitting on a flower
blue dragonfly is sitting on grass in a meadow. insect dragonfly close up macro
A   Large metallic damselfly with fluttering, butterfly-like wings resting in foliage
A macro shot of a banded demoiselle on a plant
Male banded demoiselle (Calopteryx splendens) resting on leaf.
3d rendering illustration of the human calcaneus bone
albino frog
Male of a small shiny dragonfly Banded demoiselle (Calopteryx splendens) on the grass on the river bank
Underwater image of bull shark getting close up in the blue ocean of Bimini, The Bahamas. Bullsharks (Carcharhinus leucas) are known for their aggressive behaviour and account for a number of attacks on humans. These large predators are able to live in both saltwater and freshwater, which enables them to migrate into river systems and estuaries.
Blue Dragon, Glaucus Atlanticus, Blue Sea Slug
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.
White fish in the aquarium
Dragonfly, close-up.
White Axolotl (Ambystoma mexicanum)
a spider searches for food near Mindo, Ecuador
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