1,731 Free Photos of Freshwater Fish

fish hatcheries fishery freshwater mussel work of the service equipment aquaculture virginia aquatic environment biologists(usfws)employees(usfws)

Threeridge

Inside of a suspended upwelling system culture chamber

Cage used for outdoor mussel culture

Juvenile mussel trails in the Hruska box

underwater fish

Cleaning mesh sieves in the juvenile culture chambers

Beckman Coulter Multisizer cell counter

Partial flow-through bucket system-3

Top of a suspended upwelling system culture chamber

Floating upweller system culture chambers

Freshwater mussel rays on young mussel

Juvenile freshwater mussels-2

Freshwater mussel conglutinates-4

Laser engraved freshwater mussels

Juvenile freshwater mussels-1

Juvenile freshwater mussels-2

Laser engraved freshwater mussels-3

underwater fish

Freshwater mussel conglutinates-1

Mussels in plastic dish racks

Mussel basket with 200 micron mesh

Culture beakers in the pulsed flow-through system

Partial flow-through bucket system-1

Sub-adult Fatmucket

Partial flow-through bucket system-2

Mobile Aquatic Rearing System at Genoa National Fish Hatchery

Juvenile culture chambers in the tank upweller

Haemacytometer grid used to enumerate algal cells

architecture fish

Mussel silo culture chamber-2

Sub-adult alewife floater-3

Removing tagged mussels from the substrate

Loading mussels for transport in a fish hauling truck

Biologist holds freshwater mussels-1

Freshwater mussel rays on young mussel-1

Laser engraved freshwater mussels-2

underwater fish

Freshwater mussel rays on young mussel-1

Delivering water and feed to the culture beakers

Northern riffleshell

Laser engraved freshwater mussels-1

Biologist holds freshwater mussels

Freshwater mussel rays on young mussel-1

Scuba diver using PIT tag reader

Fish and Wildlife employee photographs baby salmon

Recirculating tank upweller at White Sulphur Springs National Fish Hatchery

Tank upweller at Missouri State University

Juvenile pink mucket

Laser engraver at Virginia Fisheries and Aquatic Wildlife Center

Mussel culture chambers taken apart for demonstration

Inside the Mobile Aquatic Rearing System at Genoa National Fish Hatchery

Laser engraved freshwater mussels-2

Laser engraved freshwater mussels-5

Bulk algae containers at Virginia Fisheries and Aquatic Wildlife Center

Sub-adult alewife floater

Inside of a suspended upwelling system culture chamber-2

Metal plate used to hold mussels in place in the laser engraver

Mussel culture chambers removed from the mussel bunker

Water and sediments passed through a sieve in the Hruska Box

Recirculating tank upweller at White Sulphur Springs National Fish Hatchery-2

Artemia boxes used to clean and separate mussels from sediment substrate

Higgins eye pearlymussel

Suspended upwelling system at Genoa National Fish Hatchery

Alabama Aquatic Biodiversity Center building

Eastern elliptio-2

Alewife floater

Sub-adult pink mucket

Alabama Aquatic Biodiversity Center building-1

Rearing pans at the Virginia Department of Game and Inland Fisheries’ Aquatic Wildlife Conservation Center

Service biologist inspecting a spacer cage

PIT tags on the Northern riffleshell

Infesting smallmouth bass with freshwater mussel larvae-1

Infesting smallmouth bass with freshwater mussel larvae-3

Infesting smallmouth bass with freshwater mussel larvae-1

Infesting smallmouth bass with freshwater mussel larvae-1

Infesting smallmouth bass with freshwater mussel larvae-3

Infesting smallmouth bass with freshwater mussel larvae-2

Rearing pan system at the Virginia Department of Game and Inland Fisheries’ Aquatic Wildlife Conservation Center

Rearing pan system at the Virginia Department of Game and Inland Fisheries’ Aquatic Wildlife Conservation Center-2

Floating upweller system with floating dock and trash can culture chambers

Tag for freshwater mussel

virginia restored

Biologist measures water velocity in a flume-4

Infesting smallmouth bass with freshwater mussel larvae

Freshwater mussel cell culture

research science

Little girl and boy fishing

Juvenile Alabama lampmussel

Father and son reeling in a big fish!

Infesting smallmouth bass with freshwater mussel larvae-4

Infesting smallmouth bass with freshwater mussel larvae-2

Infesting smallmouth bass with freshwater mussel larvae-1

Infesting smallmouth bass with freshwater mussel larvae-1

Infesting smallmouth bass with freshwater mussel larvae-1

Freshwater mussel mesh cages-3

equipment fishery

Freshwater mussel mesh cages-2

equipment fishery

Freshwater mussel mesh cages-1

equipment fishery

Timed sample of a long-term monitoring grid on the Cacapon River

Employees using a PIT tag reader in a small stream

Aplodinotus grunniens-11

west virginia fish

Aplodinotus grunniens-1

west virginia fish

Sub-adult eastern pondmussel and Yellow lampmussel

Fisherman teaches a child about fish handling

Fishery employee feeds fish

Alligator gar

Biologist inspects fish friendly culvert

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