1,166 Free Photos of Water Freshwater

work of the service fish freshwater mussel aquatic environment freshwater fish employees(usfws)wildlife mississippi aquatic plants aquatic animal

Students surveying freshwater mussels-2

underwater water

Juvenile mussel

Juvenile mussel-3

Aplodinotus grunniens-1

Refuge biologist counts freshwater mussels in river-2

Water and sediments passed through a sieve in the Hruska Box

Students surveying freshwater mussels

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

Infesting smallmouth bass with freshwater mussel larvae-1

coot

Students surveying freshwater mussels-2

Freshwater mussels

water sport summer

Biologists search for freshwater mussels in the Jefferson River-2

equipment water

Biologists search for freshwater mussels in the Jefferson River-6

equipment water

Biologists search for freshwater mussels in the Jefferson River-1

equipment water

Biologists search for freshwater mussels in the Jefferson River-1

equipment water

Alligator gar-1

Freshwater Drum (Aplodinotus grunniens)

Healthy freshwater mussels

Alligator gar-1

Aquarium

Elliptio complanata-1

Alligator gar-1

Alligator gar-1

Alligator gar-1

Alligator gar-1

Alligator gar-11

Alligator gar-2

Floating upweller system with floating dock and trash can culture chambers

Alligator gar-2

catfish

Divers looking for mussels

Diver holds a freshwater mussel-3

underwater water

Water treatment system

conservation kentucky

FWS biologist holds a purple bankclimber freshwater mussel

Alligator gar-1

Alligator gar-1

Alligator gar-5

Alligator gar-1

FWS biologist holds a purple bankclimber freshwater mussel-1

Alligator gar-1

FWS biologist holds a purple bankclimber freshwater mussel-1

Alligator gar-1

Alligator gar-4

Alligator gar-2

FWS biologist holds a purple bankclimber freshwater mussel-3

Alligator gar-1

Employees using a PIT tag reader in a small stream

FWS biologist holds a purple bankclimber freshwater mussel-3

Water treatment system-3

conservation kentucky

Biologists sort freshwater mussels-2

water sport crustacean

Water treatment system-1

conservation kentucky

Water treatment system-3

conservation kentucky

Water treatment system-3

conservation kentucky

Water treatment system-3

conservation kentucky

Biologist measures water velocity in a flume-4

Water runoff

Alligator gar-1

Alligator gar-2

Alligator gar-2

Puntigrus anchisporus

Caridina multidentata

Alligator gar-1

Alligator gar-2

Alligator gar-3

Alligator gar-1

Water treatment system, storage containers

conservation kentucky

Reverse osmosis water treatment system

conservation kentucky

Water treatment system, oyster shell

conservation kentucky

Purple bankclimber in captivity with glochidia

Logperch-1

Alligator gar-2

Alligator gar-2

Alligator gar-11

Alligator gar-2

Alligator gar-3

Alligator gar-3

Alligator gar-2

Alligator gar-1

Gymnocorymbus ternetzi

Divers checking for mussels

underwater water

Glochidia expelled from the water tubes

research science

Floating mussel cages at state dock, Lake Cumberland

equipment water

Caridina multidentata

aquarium shrimp

Biologist inspects fish friendly culvert

Harmful Water Organisms

Caridina multidentata

Floating mussel cages at state dock, Lake Cumberland-2

equipment water

Arctic Grayling-1

Searching for gravid females with a view bucket

Floating mussel cages at state dock, Lake Cumberland-1

equipment water

Floating mussel cages at state dock, Lake Cumberland-1

equipment water

Floating mussel cages at state dock, Lake Cumberland-1

equipment water

Crocodile teeth

australia water

Instructor examines native mussel-1

underwater water

Man holding a rainbow trout

Students laying underwater transects-2

underwater water

Young zebra mussels on the dead shell of a native mussel

west virginia water

Students laying underwater transects-1

underwater water

Caridina multidentata

601 - 700 of 1,166 Next page

/ 12