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A young tadpole of the grass frog swims through the light shallow water in the pond, Rana temporaria
Top view Wastewater treatment Oxygen filling by Paddle Wheel Aerator, Sewage treatment
Pattern of golden statues in Chinese temple for background.
Fish skeleton on black background
Photo of Blackhead seabream, a juvenile saltwater fish, against a black background.
Head of sturgeon fish (sturgeon)
Beautiful black Orochi medaka
Painted Comber, small seabass grouper fish family Serranus Scriba, of Serranidae family from Mediterranean sea on white wood background
Brazilian Flounder (Paralichthys brasiliensis) - Marine fish
Channa Orna Fish In Aquarium
Physid snail (Physidae) with a small planarian in an aquarium.
Dwarf cichlid male of Apistogramma Panduro
Water snail in the pond
Pacific halibut swims in the aquarium
Three-spined stickleback, Gasterosteus aculeatus, isolated on white
Summer in Brandenburg, Germany
An illustration depicting a cycle of life in a lake during the Devonian Period (419 to 358 million years ago). The Eurypterids (Sea Scorpions) feed on the smaller Trilobites dwelling on the lake bottom while the enormous placoderm fish Dunkleosteus, in turn, feeds on them.
Pseudotropheus johannii or the bluegray mbuna. Isolated in black
A fish The three-spined stickleback (Gasterosteus aculeatus) on the background of a 5 mm measurement grid. Ichthyology research.
The three-spined stickleback (Gasterosteus aculeatus)
Goby fish (Bathygobius fuscus)
My home fish tank
Catfish Isolated on white background. 3D render
Channa maculata swimming in fish tank. An omnivorous fish that lives in the Mekong Delta is used to feed farmers during floods
Chinese mystery snail, black snail, or trapdoor snail (Cipangopaludina chinensis) - floating on the surface of the river along the riverbank in a public park\n\nInvasive species - Ontario Canada\n\nLocation\nVictoria Lake, Stratford ON CA
Pacific herring swimming in the aquarium
Tadpole swimming in a pond
Perch (Perca fluviatilis)
Side view Rhone streber, zingel asper, freshwater fish, isolated on white
Cichlidae
Free Images: "bestof:Naturalis Biodiversity Center - RMNH.MOL.168585 1 - Pseudocyclotus euspira Von Moellendorff - Assimineidae - Mollusc shell.jpeg artwork Dimensions artwork"
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