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Biologist with gulf sturgeon on the Choctawhatchee River-5
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FWS biologist holds a purple bankclimber freshwater mussel-1
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Biologist with gulf sturgeon-1
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Close-up of Alewife used as bait for lake sturgeon
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Crayfish propagation-1
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Pipetting glochidia onto the gills of an anesthetized fish
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Biologists sample pacific salmon
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Biologist with gulf sturgeon on the Choctawhatchee River-1
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Service scientist conducts ELISA tests
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FWS biologist holds a purple bankclimber freshwater mussel
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Biologist releases salmon-1
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Service scientist at fish health center
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Service employee with spawning equipment
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USFWS Fisheries worker takes fin sample from lake sturgeon
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Service scientist at Lower Columbia River Fish Health Center-2
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Service scientist at Lower Columbia River Fish Health Center-1
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Service scientist at Lower Columbia River Fish Health Center-1
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Staff at Warm Springs Hatchery checking nets for channel catfish-3
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Scientist at Lower Columbia River Fish Health Center-1
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Gulf sturgeon on boat in holding tank
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Capative propagation of the purple bankclimber mussel-1
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Staff at Warm Springs Hatchery capture channel catfish-1
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Lower Columbia River Fish Health Center scientist-1
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Biologists on Choctawhatchee River -1
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Divers looking for mussels
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Service employees working at Spring Creek National Fish Hatchery
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FWS biologist holds a purple bankclimber freshwater mussel-1
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Lower Columbia River Fish Health Center laboratory-3
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Nested sieves using a PVC male adaptor
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Scientist at Lower Columbia River Fish Health Center-2
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Lower Columbia River Fish Health Center laboratory-2
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FWS biologist inspects the growth of crayfish-1
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Scientist at Lower Columbia River Fish Health Center-1
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Service scientist conducts ELISA tests-3
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Biologist with gulf sturgeon on the Choctawhatchee River-1
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FWS biologist inspects the growth of crayfish-1
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Extracting conglutinates from the James spinymussel
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Lower Columbia River Fish Health Center laboratory-1
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Lower Columbia River Fish Health Center scientists
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Crayfish propagation
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Close-up of Alewife used as bait for lake sturgeon-2
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Biologist with gulf sturgeon-1
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Lower Columbia River Fish Health Center laboratory-1
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Service scientist conducts ELISA tests-3
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Capative propagation of the purple bankclimber mussel-1
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Lower Columbia River Fish Health Center laboratory fish sampling
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Biologist with gulf sturgeon on the Choctawhatchee River-1
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Lower Columbia River Fish Health Center laboratory-1
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Lower Columbia River Fish Health Center laboratory-1
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Measuring freshwater mussel shells in the field using calipers
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Crayfish propagation-1
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USFWS Fisheries worker takes fin sample from lake sturgeon-1
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Biologist with gulf sturgeon on the Choctawhatchee River
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Scientist at Lower Columbia River Fish Health Center
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Purple Cat's Paw mussel in biologists hand
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Lower Columbia River Fish Health Center laboratory
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Biologist with gulf sturgeon on the Choctawhatchee River-2
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Scenic of Spring Creek National Fish Hatchery-1
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Crayfish in aquarium-4
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FWS biologist inspects the growth of crayfish-1
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Largemouth bass in the infestation bath
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Scientist at Lower Columbia River Fish Health Center-3
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Scientist at Lower Columbia River Fish Health Center-4
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Service scientist at fish health center-3
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Crayfish propagation-2
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Lower Columbia River Fish Health Center laboratory-1
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Service employee collecting Fall Chinook salmon eggs-1
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