2,182 Free Images of Usfws Biologists

work of the service biologists(usfws)fish service patch research water fish hatcheries employees(usfws)freshwater mussel fisheries management

Students surveying freshwater mussels-2

underwater water

Monitoring the gills of fish host during infestation

equipment science

Researcher examines a freshwater mussel-1

equipment research

Instructor and student identify fish in the lab classroom-1

Manual siphoning of juveniles from static aquaria

equipment science

Students surveying freshwater mussels-2

underwater water

Fishery biologist with Silver carp-1

Plankton net on recirculating propagation system-2

equipment science

Mussel culture chambers taken apart for demonstration

Service employees crowding Fall Chinook salmon-1

Alligator gar-2

Lower Columbia River Fish Health Center laboratory fish sampling-1

Red Knot cannon netting on Cape Cod-1

massachusetts bird

Refuge staff and volunteers and The Nature Conservancy volunteers build oyster castles-1

partnership virginia

Service scientist at Lower Columbia River Fish Health Center

Fishery biologist with large Silver carp-6

Pipetting glochidia onto the gills of an anesthetized fish

Service employee with Red-eyed Vireo

Fishery biologist with large Silver carp-2

Inside of a suspended upwelling system culture chamber-2

Stocking fish-1

Mountain Goat Research Crew

vegetables water

Striped shore crab (Pachygrapsus crassipes)

Northeast Region Biologists Conference

Biologist with a Blue Catfish (Ictalurus furcatus)

wildlife catfish

Service employees working at Spring Creek National Fish Hatchery

Refuge staff and volunteers and The Nature Conservancy volunteers bring blocks to build oyster castles-1

Refuge staff and volunteers and The Nature Conservancy volunteers learn how to build oyster castles

partnership virginia

Scenic of Spring Creek National Fish Hatchery-1

Spring Creek National Fish Hatchery-8

Alligator gar-2

Scenic of Spring Creek National Fish Hatchery-1

Alligator gar-1

Alligator gar-1

Service employees crowding Fall Chinook salmon

FWS employees surveying and assessing rivers and streams-3

FWS employees surveying and assessing rivers and streams-1

U.S. Fish and Wildlife Service employees using spawning equipment

Alligator gar-3

Service scientist at Lower Columbia River Fish Health Center-1

Service employee processing Fall Chinook salmon eggs

Refuge staff and volunteers and The Nature Conservancy volunteers bring blocks to build oyster castles

partnership virginia

Container of salmon eggs at Spring Creek National Fish Hatchery

Alligator gar-1

Service fish marking team member evaluates salmon-2

Spring Creek National Fish Hatchery

Students surveying freshwater mussels-4

NCTC Fish ID instructor helps a student-3

Excised gills being placed in the culture media

equipment science

Researcher examines a freshwater mussel

equipment people

Fishery biologist monitors acoustic hydrophone data-2

Students surveying freshwater mussels-2

underwater water

Students surveying freshwater mussels-3

Students surveying freshwater mussels-2

underwater water

Biologists At Work

Ojai, Calif. (March 18, 2017) – Ventura Fish and Wildlife Office biologist Kendra Chan talks shore birds with a young visitor during an event at the Libbey Bowl celebrating women in science, and longtime condor advocate Jan Hamber.

conservation biologist

Fisheries biologist searching for invasive carp on the Illinois River-2

Kids learning about the Monarch butterfly

Students surveying freshwater mussels

Largemouth bass in the infestation bath

Glochidia of the golden riffleshell-1

equipment science

Biologist operates work boat searching for invasive carp-4

Monitoring the gills of fish host during infestation-3

equipment science

Students surveying freshwater mussels-1

underwater water

Biologist operates work boat searching for invasive carp-4

Students surveying freshwater mussels-2

underwater water

Students laying underwater transects

Glochidia of the golden riffleshell

animals science

Fisheries biologist searching for invasive carp on the Illinois River-1

Ojai, Calif. (March 18, 2017) - Ventura Fish and Wildlife Office biologist Collette Thogerson tests a visitor's conservation knowledge during an event at the Libbey Bowl celebrating women in science, and longtime condor advocate Jan Hamber.

conservation biologist

Refuge staff and volunteers and The Nature Conservancy volunteers build oyster castles-1

Fishery biologist surveys a Pallid sturgeon

Service employee collects female Fall Chinook salmon eggs-2

Native American gill netting

Service employee collecting Fall Chinook salmon eggs-1

Scenic of Spring Creek National Fish Hatchery-1

Service scientist at Lower Columbia River Fish Health Center-1

Service employees working at Spring Creek National Fish Hatchery-4

Refuge staff and volunteers and The Nature Conservancy volunteers learn how to build oyster castles-2

partnership virginia

Alligator gar-3

Service employee collects female Fall Chinook salmon eggs

Service employee collecting Fall Chinook salmon eggs

Lower Columbia River Fish Health Center laboratory fish sampling-1

Surface elevation data collection

Largemouth bass at GPNFH

Students surveying freshwater mussels-1

underwater water

Gray Catbird-4

Biologist operates work boat searching for invasive carp-1

Mussel culture chambers removed from the mussel bunker

Fish Nutritionist dries and inspects fish food-1

Service employee holds Indigo bunting

Biologist operates work boat searching for invasive carp-4

Fishery biologists gill netting carp-2

Monitoring the gills of fish host during infestation-1

equipment science

Water and sediments passed through a sieve in the Hruska Box

Refuge staff and volunteers and The Nature Conservancy volunteers build oyster castles-1

Lower Columbia River Fish Health Center building

Fishery biologist pilots boat while collecting data on Asian carp

Measuring freshwater mussel shells in the field using calipers

Biologists drive carp with noise of boat engine

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