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A young tadpole of the grass frog swims through the light shallow water in the pond, Rana temporaria
A forest butterfly which is commonly sighted in the forest reserve of Singapore.  Family : LycaenidaeSubfamily : Lycaeninaehttp://www.geocities.com/rainforest/vines/2382/lycaenidae/celeno.htm
A 3D illustration of an extinct sea scorpion Eurypterus remipes on a Silurian seafloor 420 million years ago.
Fish skeleton on black background
A fish The three-spined stickleback (Gasterosteus aculeatus) on the background of a 5 mm measurement grid. Ichthyology research.
Head of sturgeon fish (sturgeon)
Photo of Blackhead seabream, a juvenile saltwater fish, against a black background.
Snail in the aquarium behind the glass macro
Small white fish in Thailand Asia
Aquatic snail Tylomelania - Poso Rabbit Snail
Physid snail (Physidae) with a small planarian in an aquarium.
Pacific herring swimming in the aquarium
Water snail in the pond
Cute pet fish
Adult Black-and-white Treehopper of the species Membracis foliatafasciata
Pseudotropheus johannii or the bluegray mbuna. Isolated in black
Eastern Tiger Swallowtail Butterfly Larva Caterpillar (Papilio Glaucus). Photographed by acclaimed wildlife photographer and writer, Dr. William J. Weber.
Vivid insect on a flowering stem
Photo of Largescale blackfish, a juvenile saltwater fish, against a white background.
Butterfly on a plant outdoors, Florida, USA
Catfish Isolated on white background. 3D render
Heather Plant,  scan of a Vintage Photo
Top view of spiny goby fish isolated on white background, Pseudapocryptes elongatus
Los Alamos, NM: Vintage 1950s wooden tourist information sign in downtown Los Alamos, a town made famous as the 1940s home of the Manhattan Project.
A mudskipper rests on a rock in a mangrove forest along the hunter river of western australia- western australia, australia
Pacific halibut swims in the aquarium
little  stickleback on white background
Channa Orna Fish In Aquarium
Liparis - inhabitant of the Kara Sea. Fish lost the natural color after preservation
an eel searches for food on the Los Llanos region of Colombia
Free Images: "bestof:Naturalis Biodiversity Center - RMNH.MOL.238867 1 - Ancylus rhadiacus Walker - Planorbidae - Mollusc shell.jpeg artwork Dimensions artwork Document type"
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