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air bawah air alaska migrasi hewan kehidupan liar riset montana rekreasi florida

Biologists search for Fountain Darter-4

musim semi ikan

Lower unit of an outboard boat motor

Alewife-6

Biologists examine salamanders-5

Hatchery sign and hills above Mora National Fish Hatchery

Dolly Varden -2

Biologists examine salamanders-3

Devils Hole Pupfish in captivity

Rainbow trout in stream-3

Cyprinus carpio

Pallid sturgeon-1

Fishing at the refuge

Bridge on the Columbia River

Underwater wide shot of Florida Spring

Rainbow trout in hatchery pond

Luxilus chrysocephalus isolepis

Fisheries biologists measure Gulf sturgeon-1

Pair of divers photographing a paddlefish

Pallid sturgeon-1

Fountain darter

Fishing for salmon on the Columbia River

Tacklebox and fishing lures

Ash Meadows Amargosa pupfish-1

Ash Meadows Amargosa pupfish-5

Sockeye Salmon-2

Shorthead redhorse sucker-1

Biologists weigh a Gulf sturgeon

Biology fieldwork-1

Biologist measures water velocity in a flume-1

Clown Fish Closeup

Clown Fish

Sockeye Salmon-2

Rainbow trout-2

Devils Hole Pupfish in captivity-1

musim dingin ikan

Devils Hole Pupfish in captivity-1

Juvenile salmon -4

Sauger-1

Largemouth bass in coontail

Rainbow trout in stream-2

Boy with smallmouth bass-5

Threespine stickleback-2

Sockeye salmon-7

Rainbow trout-1

Cutting from willow tree

Horned puffin-2

Young brook trout with fall leaves in water-1

Biologists search for Fountain Darter-1

musim semi ikan

Smallmouth bass propagation at Warm Springs Hachery

Gila trout tank

Smallmouth bass fishing-1

Flathead chub

Alewife-2

Channel catfish-1

kehidupan liar ikan

Salmon migration -1

Devils Hole Pupfish in captivity-1

Service employee displays an Atlantic Salmon

Bluegill and bass school in wait for food in a Florida spring

Pallid sturgeon-2

Infestation bath for fish-5

Salvelinus fontinalis-1

Biologists search for Fountain Darter-1

musim semi ikan

Pallid sturgeon-2

Largemouth bass-1

Hiodon tergisus-1

Fisheries biologists measure Gulf sturgeon-2

Sockeye salmon-1

Tennessee Madtom

Dock fishing

Etheostoma collettei

kehidupan liar ikan

Pallid Sturgeon

Rainbow trout-1

Channel catfish

kehidupan liar ikan

Sockeye Salmon

Biologists search for Fountain Darter-3

musim semi ikan

Fishery biologist releases an American paddlefish-4

Ictiobus cyprinellus-1

Potomac sculpin-3

Water treatment facility-3

arsitektur ikan

Fishery biologist surveys a Pallid sturgeon-1

Young boy fishing-1

Fisheries biologist releases Gulf sturgeon -1

Yakama tribal member with traditional dip net-4

Juvenile salmon -1

Floating basket-1

Gambusia affinis-2

Northern Snakehead fish-4

Salmon migration -6

Sockeye Salmon-5

Captive Devils Hole pupfish-2

Equipment used to check quality control of fish food-4

Smallmouth bass fishing-2

Sockeye Salmon-2

Salamander House-2

Sockeye Salmon-4

Sockeye Salmon-11

Lake sturgeon-2

Corn used in fish food

Rainbow trout-2

Rainbow trout-1

Pallid sturgeon-5

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