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Bhutanitis lidderdalii, the Bhutan glory
Butterfly.
Goby fish (Bathygobius fuscus)
Photo of Flathead grey mullet, a juvenile saltwater fish, against a black background.
Papilio palinurus - the emerald swallowtail, emerald peacock or green-banded peacock - a butterfly of the genus Papilio of the family Papilionidae. It is native to Southeast Asia.
Brazilian Flounder (Paralichthys brasiliensis) - Marine fish
Shiner perch
Giant danio (Devario aequipinnatus) female swimming in an aquarium.
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.
Dorsal fin of a perch, back light, toned image
Pacific herring swimming in the aquarium
blyth's loach Syncrossus berdmorei blyth Botia berdmorei aquarium fish isolated
Cichlidae
a black and white butterfly flapped wings
Cleaner fish in an aquarium or a fish tank.
Zebrafish in aquarium
Channa Orna Fish In Aquarium
Hypoatherina
Butterfly on a plant outdoors, Florida, USA
Fluorescent Freshwater Fish, Electric Green zebra danio fish, Glo Fish
Photo of One spot snapper, a juvenile saltwater fish, against a black background.
The three-spined stickleback (Gasterosteus aculeatus)
Danio fish. Aquarium macro closeup background.
Pacific halibut swims in the aquarium
Green Swordtail Xiphophorus Helleri Male aquarium fish isolated on white
Pseudotropheus johannii or the bluegray mbuna. Isolated in black
Catfish, pseudacanthicus sp, Adult
Showing fire-headed Cichlid fish (cichlasoma synspilum, vieja synspilum) in aquarium
Free Images: "bestof:Naturalis Biodiversity Center - RMNH.AVES.37905 2 - Cymbilaimus lineatus lineatus (Leach, 1814) - Formicariidae - bird skin specimen.jpeg artwork Dimensions"
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