2,182 Free Images of Usfws Biologists

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

Spring Creek National Fish Hatchery

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 scientist at Lower Columbia River Fish Health Center-1

Service employee processing Fall Chinook salmon eggs

Alligator gar-3

Collecting data

science insects

USFWS Biologists and Partners at a habitat restoration site

united states virginia

Students surveying freshwater mussels-3

Students surveying freshwater mussels-2

underwater water

Researcher examines a freshwater mussel

equipment people

Fishery biologist monitors acoustic hydrophone data-2

Students surveying freshwater mussels-2

underwater water

Excised gills being placed in the culture media

equipment science

NCTC Fish ID instructor helps a student-3

Students surveying freshwater mussels-4

Fishery biologist surveys a Pallid sturgeon-2

underwater fish

Fishery biologist examines an Shovelnose sturgeon-3

underwater fish

Service scientist at Lower Columbia River Fish Health Center-2

Alligator gar-2

Alligator gar-11

Alligator gar-1

Alligator gar-2

Service fish marking team member evaluates salmon-1

Alligator gar-2

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

Instructor and student identify fish in the lab classroom-1

Students surveying freshwater mussels-2

underwater water

Researcher examines a freshwater mussel-1

equipment research

Monitoring the gills of fish host during infestation

equipment science

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

Biologists At Work

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)

Biologist with a Blue Catfish (Ictalurus furcatus)

wildlife catfish

Fishery biologist surveys a Pallid sturgeon

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

Service employees working at Spring Creek National Fish Hatchery-4

Service scientist at Lower Columbia River Fish Health Center-1

Surface elevation data collection

Service employee collecting Fall Chinook salmon eggs

Lower Columbia River Fish Health Center laboratory fish sampling-1

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

Alligator gar-1

Service employees crowding Fall Chinook salmon

Spring Creek National Fish Hatchery-8

Alligator gar-2

Scenic of Spring Creek National Fish Hatchery-1

Alligator gar-1

Fish Nutritionist dries and inspects fish food-1

Students surveying freshwater mussels-1

underwater water

Gray Catbird-4

Biologist operates work boat searching for invasive carp-1

Service employee holds Indigo bunting

Mussel culture chambers removed from the mussel bunker

Monitoring the gills of fish host during infestation-1

equipment science

Water and sediments passed through a sieve in the Hruska Box

Biologist operates work boat searching for invasive carp-4

Fishery biologists gill netting carp-2

Students surveying freshwater mussels

Students surveying freshwater mussels-1

underwater water

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

Biologist operates work boat searching for invasive carp-4

Largemouth bass in the infestation bath

Students surveying freshwater mussels-2

underwater water

Glochidia of the golden riffleshell-1

equipment science

Kids learning about the Monarch butterfly

Monitoring the gills of fish host during infestation-3

equipment science

Biologist operates work boat searching for invasive carp-4

Students laying underwater transects

Glochidia of the golden riffleshell

animals science

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

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

U.S. Fish and Wildlife Service biologist Colleen Grant records data on monarch sightings at Camino Real Park in Ventura. Ashley Spratt USFWS

Native American gill netting-1

Alligator gar-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

Senior biologist Eric Morissette spots a California red-legged frog.

Largemouth bass at GPNFH

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

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

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