5,124 Free Images of Freshwater

freshwater fish fish underwater wildlife rivers and streams animals fishery science smithsonian libraries fish hatcheries

American paddlefish-8

underwater fish

Fishing the Andreafsky River-3

American paddlefish-1

underwater fish

Smallmouth bass-4

n376_w1150

north america science

n374_w1150

north america science

n372_w1150

north america science

n370_w1150

north america science

n368_w1150

north america science

n366_w1150

north america science

n364_w1150

north america science

n392_w1150

north america science

n362_w1150

north america science

n390_w1150

north america science

n360_w1150

north america science

n388_w1150

north america science

n358_w1150

north america science

n386_w1150

north america science

n356_w1150

north america science

n384_w1150

north america science

n354_w1150

north america science

n382_w1150

north america science

n380_w1150

north america science

n378_w1150

north america science

n547_w1150

Fishery biologist surveys a American paddlefish

underwater fish

Redbreast sunfish-1

Rosyside dace-3

Biologist conducts a swim test on a large Rainbow trout-2

Logperch

Redline darter

Candy darter-1

underwater fish

Redbreast sunfish-2

Redbreast sunfish-3

Close up of Sicklefin Redhorse scales-3

Gila trout tank

Eastern tiger salamander larvae-3

Brook Trout juvenile-1

Close-up of dead Brook trout

Redbreast sunfish-6

Shorthead redhorse sucker-1

Juvenile Rainbow trout-1

Close up of sutured surgery site on abdomen of lake sturgeon-1

Yellow bullhead catfish

Woodhouse toad

wildlife animals

Yellow bullhead catfish-1

Brook trout in Seneca Creek-1

Biologist measures water velocity in a flume-3

Biologist stocks Gila trout in Mineral Creek-3

partnership new mexico

Biologist reattaches fish tank to helicopter cable-1

partnership new mexico

Close up of sutured surgery site on abdomen of lake sturgeon-2

Diver photographing a pair of paddlefish

Longnose gar-6

underwater fish

Yellow bullhead catfish-1

Close up of Sicklefin Redhorse scales-1

n136_w1150

green algae algae

n82_w1150

great britain fish

n111_w1150

great britain fish

n13_w1150

great britain fish

n94_w1150

great britain fish

n88_w1150

great britain fish

n74_w1150

great britain fish

n21_w1150

great britain fish

n117_w1150

great britain fish

n17_w1150

great britain fish

n104_w1150

great britain fish

n7_w1150

great britain fish

n59_w1150

great britain fish

n29_w1150

great britain fish

n69_w1150

great britain fish

n49_w1150

great britain fish

n39_w1150

great britain fish

n151_w1150

great britain fish

n33_w1150

great britain fish

n160_w1150

paleontology fossil

n140_w1150

paleontology fossil

n136_w1150

paleontology fossil

n156_w1150

paleontology fossil

n148_w1150

paleontology fossil

n144_w1150

paleontology fossil

n152_w1150

paleontology fossil

Youth fishing for Smallmouth bass

underwater fish

Young brook trout with fall leaves in water-1

Redline darter -2

Quilback carpsucker

American paddlefish and Pallid sturgeon

underwater fish

Quilback carpsucker-3

Candy darter-1

Young boys fishing for Smallmouth bass

underwater fish

Rainbow Trout

Biologist stocks Gila trout into Mineral Creek

Helicopter lowers fish tank on cable-1

Medical instruments used by USFWS fisheries crew-1

Mountain madtom

Sauger-1

Woodhouse toad-1

wildlife animals

Redbreast sunfish

Biologist transfers adult Gila trout to buckets for distribution-3

partnership new mexico

Fish Nutritionist dries and inspects fish food-1

Medical instruments used by USFWS fisheries crew-3

701 - 800 of 5,124 Next page

/ 52