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Tadpole swimming in a pond
Pacific herring swimming in the aquarium
Rainbow shark catfish Epalzeorhynchos frenatum aquarium fish isolated on white
an eel searches for food on the Los Llanos region of Colombia
monter fish from the deep ocean isolated on the black background
Goldfish swimming in the water with a black background photographed in Chengdu
Photo of Flathead grey mullet, a juvenile saltwater fish, against a black background.
Two fish skeletons isolated on white
Ancistrus Tropical fish, Bristlenose catfish, Cleaner Fish on the glass
Channa Orna Fish In Aquarium
Dipterus is an extinct freshwater lungfish from the Devonian Period of Australia and Europe.
Pacific halibut swims in the aquarium
Spiny Loach fish, Lepidocephalichthys thermalis, Satara, Maharashtra, India
Red tailed catfish
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.
The Atlantic wolffish (Anarhichas lupus), also known as the seawolf, Atlantic catfish, ocean catfish, devil fish, wolf eel (the common name for its Pacific relative), or sea cat, is a marine fish, the largest of the wolffish family Anarhichadidae.
little  stickleback on white background
Sea life Gavun ( lat.  Atherina hepsetus ) fish Underwater  Mediterranean sea Scuba diver point of view
Photo of Golden sweeper, a juvenile saltwater fish, against a black background.
The three-spined stickleback (Gasterosteus aculeatus)
A fish The three-spined stickleback (Gasterosteus aculeatus) on the background of a 5 mm measurement grid. Ichthyology research.
emperor angelfish, Mutton snapper,French angelfish, sea horse, Cuttlefish , stone fish
very ancient fossil fish on the stone and you can also see the bones
Sturgeon - Acipenseridae fish
A 3D illustration of an extinct sea scorpion Eurypterus remipes on a Silurian seafloor 420 million years ago.
A carnivorous freshwater fish that inhabit clear, vegetated lakes, ponds, swamps, and rivers.
Snakehead fishing. Alive snake fish isolated on white background
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.
A young tadpole of the grass frog swims through the light shallow water in the pond, Rana temporaria
Canary rockfish, Sebastes pinniger, is a rockfish of the Pacific coast, aquarium, Seward, Alaska
Free Images: "bestof:Winteria telescopa.png Winteria telescopa a species of barreleye Opisthoproctidae From Brauer A 1906 Die Tiefsee-Fische I Systematischer Teil In C Chun"
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