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Three-spined stickleback is a fish native to most inland coastal waters north of 30°N. Three-spined stickleback live in seawater but breed in fresh or brackish water.
Dark deep sea, the figure of a deep-sea fish with blue body and glowing eyes and mouth.(Retouched and color manipulated photographic illustration)
latimeria fish isolated on the black background
Pacific herring swimming in the aquarium
Striped Bass, morone saxatilis
Sea life  Trachurus fish Underwater  Mediterranean sea Scuba diver point of view. Jack mackerels or saurels fish. Night shoot.
Spiny Loach fish, Lepidocephalichthys thermalis, Satara, Maharashtra, India
Close-up view of a White-spotted puffer (Arothron hispidus) arothron meleagris
Spot-fin porcupinefish (Diodon hystrix), Zanzibar, Tanzania
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.
Three-spined stickleback (Gasterosteus aculeatus, Gasterosteus gymnurus), Dreistachelige Stichling swims in an Alpine pond in Tyrol, Austria
Pacific halibut swims in the aquarium
striped catfish
Blue perch in baltic sea resting on reef
Rockfish Perch swimming.
Channa Orna Fish In Aquarium
A spotted sunfish, Lepomis puctatus, swims underwater at night in a Florida spring.
The salmon lifecycle begins with an egg.  As the salmon move on to the Fry and Parr stage they will develop stripe patterns. These small salmon are very vulnerable. They still have a lot of growing to do before they reach maturity.
Bandtail Puffer fish (Sphoeroides spengleri)
the tail of a redfish
A fish The three-spined stickleback (Gasterosteus aculeatus) on the background of a 5 mm measurement grid. Ichthyology research.
Ancistrus Tropical fish, Bristlenose catfish, Cleaner Fish on the glass
Largemouth Bass swimming in the fish tank, close-up.
A Spotted Porcupinefish (Diodon hystrix) in Baja California, Mexico
Blackspotted rockfish, is a rockfish of the Pacific coast, Seward, Alaska
Juvenile Coho Salmon - Trinity River, Humboldt County, California
Blackeye Goby, bluespot goby, and crested goby, Rhinogobiops nicholsii, Pacific Coast of California.\nFamily Gobiidae
Greater amberjack - Seriola dumerili - Motion blured, focus is on the eye. Inhabits deep seaward reefs; occasionally entering coastal bays. Feeds primarily on fishes such as the bigeye scad, also feeds on invertebrates. Small juveniles associate with floating plants or debris in oceanic and offshore waters. Juveniles form small schools or solitary.
Undersea Fish
Free Images: "bestof:Scophthalmus aquosus.jpg Windowpane Scophthalmus aquosus NOAA 2006-12-12 NOAA USGov- NOAA http //www nefsc noaa gov/lineart/ PD-USGov Scophthalmus aquosus"
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