3,403 Free Images of Work Equipment

work of the service fish freshwater mussel fish hatcheries fishery aquaculture employees(usfws)research freshwater fish biologists(usfws)

Central sump with biological filtration

equipment science

Multi-tank rack system

equipment science

FWS staff employee prepares fish food

Wet lab and culture area

Underside of the upper bucket

Solenoid valves are plumbed into the PVC manifold

Freshwater mussel mesh cages-1

equipment science

MV Spencer Baird

Multi-tank aquatic ecosystem

equipment science

Water control structure at Pendills Creek National Fish Hatchery

Bucket culture system

Multi-tank recirculating system

equipment science

Biologist with floating basket

Pulsed flow-through system

Fireman setting fire

FWS employee at Pendills Creek National Fish Hatchery looking at water source

equipment michigan

Marine filter sock-1

equipment science

Mobile lake sturgeon rearing unit

Brine shrimp culture facility

equipment science

Hruska boxes at Missouri State University

Recirculating propagation system

Mussel culture chambers

Spawning equipment at Gavins Point National Fish Hatchery, South Dakota-1

south dakota bowl

Underside of upper bucket

Aquatic habitat tank for investation

equipment science

Measuring shell length

Ice added to a mussel transport container

Large recirculating propagation system

equipment science

Freshwater mussels in collecting bags

equipment science

Fish health inspection

equipment science

Partial flow-through bucket system

Firefighter lighting fire

Laser engraving system

Haemacytometer used to track feed concentration

Retaining ring reverse pliers

equipment science

Freshwater mussels in laundry baskets

equipment science

Glochidia under microscope

Adrian van Ostade in his workshop, Adriaen van Ostade, 1836-1840 (c.)

lithographs in the british museum works after adriaen van ostade

ca. 1673 Jan van der Heyden (titel op object), BI-1997-1407B-39, between 1865 and 1870

firefighting equipment by jan van der heyden engravings in the rijksmuseum amsterdam

Inside of mesh culture chamber

FWS staff employee prepares fish food-1

Plankton net on recirculating propagation system

equipment science

Mussel basket with 150 micron mesh

MV Spencer Baird-1

Trucks delivers supplies for storm victims

transport vehicle

MV Spencer Baird-1

Bulldozer loosens the ground for red spruce restoration

Hruska boxes at Missouri State University-1

Glochidia under microscope-2

Glochidia on bass gill

underwater fish

Beckman Coulter Multisizer cell counter

FWS staff employee prepares fish food-3

Biologist with floating basket-2

Biologist retrieves seine net

Partial flow-through bucket system-3

Top of a suspended upwelling system culture chamber

Hooks baited with alewife for lake sturgeon research

Ball valves in the multi-tank system

equipment science

Biologist with floating basket-2

Quantitative sampling for freshwater mussels

Floating upweller system culture chambers

Glochidia are poured into the infestation bath

equipment science

Conglutinates of the fanshell

equipment science

Freshwater mussels-2

equipment montana

Bulldozer loosens the ground for Red spruce restoration

Biologists retrieve seine nets-4

Mussel silo in the Red Bird River

Threeridge

Inside of a suspended upwelling system culture chamber

Cage used for outdoor mussel culture

Juvenile mussel trails in the Hruska box

underwater fish

Fishery employee feeds fish

Cleaning mesh sieves in the juvenile culture chambers

FWS staff employee prepares fish food-1

Biologists learn how to grow freshwater mussels

equipment train

Smoke from the burn

Subsamples on a dry Petri dish

Bridge repair at National Conservation Training Center-1

equipment adult

FWS at Pendills Creek National Fish Hatchery

equipment michigan

Biologists learn how to grow freshwater mussels-1

equipment train

Petri dish captures the harvested glochidia

equipment science

Biologist retrieves seine nets

Slits on outer stand pipe create currents

equipment science

Fisheries worker aboard MV Spencer Baird-2

MV Spencer Baird-2

Loading boat on Missouri River

Biologists learn how to grow freshwater mussels-1

equipment train

Glochidia on bass gill-1

underwater fish

Biologists learn how to grow freshwater mussels-8

equipment train

Biologists on Choctawhatchee River -1

Fish nutrition research equipment

Juvenile freshwater mussels added to a cage

Fisheries worker aboard MV Spencer Baird-1

Bridge repair at National Conservation Training Center-1

equipment adult

Fisheries worker aboard MV Spencer Baird-1

Biologists learn how to grow freshwater mussels-4

equipment train

Biologists learn how to grow freshwater mussels-1

equipment train

Biologist at boat near Missouri River

Biologists retrieve seine nets-1

Fisheries worker aboard MV Spencer Baird-3

2601 - 2700 of 3,403 Next page

/ 35