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Looks like a small hippopotamus in my aquarium!
A fish The three-spined stickleback (Gasterosteus aculeatus) on the background of a 5 mm measurement grid. Ichthyology research.
Ferret looking up at human man
Aquatic snail Tylomelania in an aquarium.
Small white fish in Thailand Asia
an Ermine is curious on Kodiak Island Alaska
Photo of Blackhead seabream, a juvenile saltwater fish, against a black background.
Snail in the aquarium behind the glass macro
Brazilian Flounder (Paralichthys brasiliensis) - Marine fish
Fish skeleton on black background
Close-up view of a leopard spot ramshorn snail.
Aquatic snail Tylomelania - Poso Rabbit Snail
Eastern Tiger Swallowtail Butterfly Larva Caterpillar (Papilio Glaucus). Photographed by acclaimed wildlife photographer and writer, Dr. William J. Weber.
Channa Orna Fish In Aquarium
Nudibranch of the Philippines and  Sea slugs in tropical water
Pacific herring swimming in the aquarium
spotted nerite snail (Neritina natalensis) eating on a rock in a fish tank
Pseudotropheus johannii or the bluegray mbuna. Isolated in black
Photo of Largescale blackfish, a juvenile saltwater fish, against a white background.
ermine looking around
Japanese freshwater snail, Himetanishi
two snail in the aquarium
Old wood with blue-green glass on it.
Anentome helena or assassin snail eating another snail.
Pacific halibut swims in the aquarium
Liparis - inhabitant of the Kara Sea. Fish lost the natural color after preservation
Dwarf cichlid male of Apistogramma Panduro
Aquarium snail
Cute pet fish
Free Images: "bestof:Naturalis Biodiversity Center - RMNH.MOL.161990 - Clessiniola martensi Dybowski - Micromelaniidae - Mollusc shell.jpeg artwork Dimensions artwork Document type"
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