5,141 Free Images of Freshwater

work of the service rivers and streams fish freshwater fish equipment freshwater mussel employees(usfws)biologists(usfws)research science

Excision of the demibranchs for in vitro culture

Biologist inspects fish weir-3

Largemouth bass being poured through a net

equipment science

Biologist releases salmon-6

Glochidia on bass gill-1

underwater fish

Little boy holding brown trout-4

Nested sieves using a PVC male adaptor

USFWS Fisheries workers releasing lake sturgeon-5

Female brook floater-1

research science

Excised gills being placed in the culture media

equipment science

Biologist releases salmon-2

Filter cup used to collect juvenile mussels-7

equipment science

Biologist releases salmon-7

Scuba diver looks for Purple Cat's Paw Mussels in the Ohio River-3

Medical instruments used by USFWS fisheries crew

Scuba diving for freshwater mussel survey

Glochidia on bass gill-1

underwater fish

Cumberlandian combshell-7

underwater science

Demersal conglutinate of the Dromedary pearlymussel

research science

Biologist inspects fish weir-2

Biologist releases salmon-5

Biologist inspects fish weir-1

Biologist releases salmon-1

Plankton net on recirculating propagation system-2

equipment science

Biologist releases salmon-2

Monitoring the gills of fish host during infestation

equipment science

Plain pocketbook mussel displaying lure fish mimic with eye spot

west virginia invertebrate

Manual siphoning of juveniles from static aquaria

equipment science

Biologist holds salmon scale

Gymnocorymbus ternetzi

Aquarium

Crawdad , Crayfish, Crustacean Hello

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Nematobrycon palmeri

Nematobrycon palmeri

American Silver Perch (Bairdiella Chrysoura)

actinopterygii american

Rainbow Trout (Oncorhynchus Mykiss)

actinopterygii atlantic

Apple Snail (Pomacea Bridgesii)

Iceberg

ecosystems elements

Fishing the Andreafsky River-1

Pipetting glochidia onto the gills of an anesthetized fish

Fish passage engineer inspects new salmon friendly culvert

Plain pocketbook mussel displaying lure, fish mimic with eye spot-1

west virginia invertebrate

USFWS Fisheries crews releasing lake sturgeon

USFWS Fisheries crew in boat-1

USFWS Fisheries crew in boat-2

Biologists learn how to grow freshwater mussels-1

equipment train

Fish Nutritionist dries and inspects fish food-1

Juvenile eastern lampmussel bound together by a mass of byssal threads

research science

Monitoring the gills of fish host during infestation-1

equipment science

Oval pigtoe

monitor georgia

Biologist reattaches fish tank to helicopter cable

Brown delicious diet

n48_w1150

n65_w1150

amphibian animals

n20_w1150

USFWS Fisheries crew in boat-3

Biologists learn how to grow freshwater mussels-4

equipment train

Fisherman raft on Andreafsky river

Largemouth bass in the infestation bath

Monitoring the gills of fish host during infestation-3

equipment science

Biologists sample pacific salmon-1

underwater fish

Mussel culture building at the Virginia Fisheries and Aquatic Wildlife Center

equipment virginia

USFWS Fisheries crew transporting lake sturgeon

Glochidia of the golden riffleshell-1

equipment science

Harmful Water Organisms

Comb Crested Jacana (Irediparra Gallinacea)

Finless Porpoise (Neophocaena Phocaenoides)

Hygrophila polysperma

Hygrophila polysperma

Hygrophila polysperma

Freshwater Turtle

new zealand animals

Caridina multidentata

FWS mussel biologist, Jonathan Wardell, examines equipment

equipment water

USFWS Fisheries workers releasing lake sturgeon-1

Students laying underwater transects

Biologist extracting glochidia from the plain pocketbook

equipment science

Glochidia of the golden riffleshell

animals science

Lake sturgeon during procedure by USFWS

Plain pocketbook mussel displaying lure, fish mimic with eye spot-1

invertebrate biology

Fish passage engineer inspects new salmon friendly culvert-1

FWS photographer uses cell phone

photographer equipment

Female oyster mussel gaping at the substrate surface to attract a host

animals science

Fly fishing clinic on Hatchery Creek

Capative propagation of the purple bankclimber mussel

Mussel culture building at the Virginia Fisheries and Aquatic Wildlife Center-3

equipment virginia

Fish passage engineer inspects new salmon friendly culvert-3

Fishing the Andreafsky River-1

Fish Nutritionist checks quality control of fish food-1

Little girl catching brown trout

Fish passage engineer inspects new salmon friendly culvert-1

Fish passage engineer inspects new salmon friendly culvert-1

Fish passage engineer inspects new salmon friendly culvert-3

Fish passage engineer inspects new salmon friendly culvert-3

People fishing on the Cumberland River Tailwater-1

Little girl fishing with mother

Biologist inspects fish weir-1

Mantle lure of the wavy-rayed lampmussel

underwater science

Biologist inspects fish weir-1

Fish passage engineer inspects new salmon friendly culvert-8

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