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Freshwater underwater close up photography from a burbot.
Perch (Perca fluviatilis)
A fish The three-spined stickleback (Gasterosteus aculeatus) on the background of a 5 mm measurement grid. Ichthyology research.
Porcupinefish are fish belonging to the family Diodontidae, also commonly called blowfish, balloonfish and globefish
Small fish in hand
Latimeria chalummae smith, Produced in the Comoros, East africa. The world's oldest surviving vertebrate, known as the \
very ancient fossil fish on the stone and you can also see the bones
Black and Yellow Rockfish, black-and-yellow rockfish, Sebastes chrysomelas, Monterey Bay, California;  Osteichthyes; Scorpaeniformes;  \
Small fish \
China rockfish, Sebastes nebulosus, swimming among giant kelp.
Three-spined stickleback, Gasterosteus aculeatus, isolated on white
boring blowfish
Photo of a prepared blowfish against white background
Myloplus rubripinnis, also known as the Redhook myleus or red hook silver dollar, is a medium to large, omnivorous fish from South America.
spotted handfish, Brachionichthys hirsutus, rare, endemic and threatened, Hobart, Tasmania, Australia, Tasman Sea, Southern Ocean
Underwater Sea Life Blue Water Fish
Cyclopterus lumpus, the lumpsucker or lumpfish, is a species of marine fish in the family Cyclopteridae (lumpsuckers). It is the only member of the genus Cyclopterus.It is found over rocky bottoms in the North Atlantic and adjacent parts of the Arctic Ocean, ranging as far south as Chesapeake Bay (rare south of New Jersey) on the North American coast and Spain on the European coast.
Close up of redear sunfish, Lepomis microlophus, showing the namesake red ear.
Bandtail Puffer fish (Sphoeroides spengleri)
Close-up view of a White-spotted puffer (Arothron hispidus) arothron meleagris
Photo taken in Bordeaux, France
Callionymus neptunius, commonly known as the Neptune dragonet, is a species of marine fish belonging to the family Callionymidae. The Neptune dragonet is a small-sized fish, typically measuring around 8-10 centimeters in length. It has a slender body with a unique coloration pattern consisting of vibrant shades of blue, orange, and yellow. This species is known for its intricate fin structure and its ability to display complex courtship rituals, making it a fascinating and sought-after aquarium species among fish enthusiasts.
Painted Comber, small seabass grouper fish family Serranus Scriba, of Serranidae family from Mediterranean sea on white wood background
Spot-fin porcupinefish (Diodon hystrix), Zanzibar, Tanzania
Frog
Three-spined stickleback (Gasterosteus aculeatus, Gasterosteus gymnurus), Dreistachelige Stichling swims in an Alpine pond in Tyrol, Austria
The Pacu's piranha-like appearance is aptly complemented by its insatiable hunger.
spotted handfish, Brachionichthys hirsutus, rare, endemic and threatened, Hobart, Tasmania, Australia, Tasman Sea, Southern Ocean
Fishes in big aquarium: a spooky wolf fish with open mouth and broken teeth
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