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Physid snail (Physidae) with a small planarian in an aquarium.
A fish The three-spined stickleback (Gasterosteus aculeatus) on the background of a 5 mm measurement grid. Ichthyology research.
Top view Wastewater treatment Oxygen filling by Paddle Wheel Aerator, Sewage treatment
Goby fish (Bathygobius fuscus)
Taxon name: Short-tailed Paradigalla\nTaxon scientific name: Astrapia brevicauda\nLocation: Mount Hagen, Western Highlands, Papua New Guinea
Three-spined stickleback, Gasterosteus aculeatus, isolated on white
Fish skeleton on black background
little stickleback on white background
Pacific herring swimming in the aquarium
Spiny Loach fish, Lepidocephalichthys thermalis, Satara, Maharashtra, India
Black background varied thrush close up shot
Liparis - inhabitant of the Kara Sea. Fish lost the natural color after preservation
Channa Orna Fish In Aquarium
Photo of Largescale blackfish, a juvenile saltwater fish, against a white background.
Painted Comber, small seabass grouper fish family Serranus Scriba, of Serranidae family from Mediterranean sea on white wood background
Antarctic rockcod or nototenia coriceps which lies on the rocks in the aquarium
Pacific halibut swims in the aquarium
latimeria fish isolated on the black background
The three-spined stickleback (Gasterosteus aculeatus)
Catfish Isolated on white background. 3D render
Lyrebird
Photo of Blackhead seabream, a juvenile saltwater fish, against a black background.
Channa maculata swimming in fish tank. An omnivorous fish that lives in the Mekong Delta is used to feed farmers during floods
Small white fish in Thailand Asia
Cute pet fish
Water snail in the pond
Dwarf cichlid male of Apistogramma Panduro
Ornate ctenopoma aquarium fish Microctenopoma ansorgii
Cichlidae
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