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Browse images from a wide range of science topics covered by USGS.

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Underwater view of fish inside a fyke net
Underwater image of fish captured by a fyke net
Underwater image of fish captured by a fyke net
Underwater image of fish captured by a fyke net

An underwater image of fish captured by a fyke net near Kaktovik, Alaska, Beaufort Sea, USA. The small silver fish with dark backs are young-of-year (age-0) Arctic cisco (Coregonus autumnalis) and the flatfish are Arctic flounder (Liopsetta glacialis).

An underwater image of fish captured by a fyke net near Kaktovik, Alaska, Beaufort Sea, USA. The small silver fish with dark backs are young-of-year (age-0) Arctic cisco (Coregonus autumnalis) and the flatfish are Arctic flounder (Liopsetta glacialis).

Sampling a stream in the mist in the Akilik River drainage
Sampling a stream from the Akilik River drainage
Sampling a stream from the Akilik River drainage
Sampling a stream from the Akilik River drainage

Sampling a stream from the Akilik River drainage in the Boreal-Arctic transition of the Brooks Range in Noatak National Park and Preserve, Kobuk Valley National Park. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.

Sampling a stream from the Akilik River drainage in the Boreal-Arctic transition of the Brooks Range in Noatak National Park and Preserve, Kobuk Valley National Park. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.

Scientist walking up the Akilik River with a minnow trap to catch fish
Akilik River stream sampling
Akilik River stream sampling
Akilik River stream sampling

Hiking up a stream from the Akilik River drainage to set minnow traps for fish sampling. This is a stream type at the Boreal-Arctic transition of the Brooks Range, Noatak National Park and Preserve, Kobuk Valley National Park.

Hiking up a stream from the Akilik River drainage to set minnow traps for fish sampling. This is a stream type at the Boreal-Arctic transition of the Brooks Range, Noatak National Park and Preserve, Kobuk Valley National Park.

A small arctic grayling near the bottom of the Imelyak River
Small arctic grayling in the Imelyak River, Brooks Range
Small arctic grayling in the Imelyak River, Brooks Range
Small arctic grayling in the Imelyak River, Brooks Range

Small arctic grayling hugging the bottom in the Imelyak River in the Brooks Range. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.

Small arctic grayling hugging the bottom in the Imelyak River in the Brooks Range. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.

Scientist walking up the Imelyak River
Sampling the Imelyak River in the Brooks Range
Sampling the Imelyak River in the Brooks Range
Sampling the Imelyak River in the Brooks Range

Sampling the Imelyak River in the Boreal-Arctic transition of the Brooks Range in Noatak National Park and Preserve, Kobuk Valley National Park. This is part of the Hydro-Ecology of Arctic Thawing (HEAT) project.

Sampling the Imelyak River in the Boreal-Arctic transition of the Brooks Range in Noatak National Park and Preserve, Kobuk Valley National Park. This is part of the Hydro-Ecology of Arctic Thawing (HEAT) project.

Flock of birds over Arey Island near Kaktovik on the coastline of the Beaufort Sea
Beaufort Sea coastline on Arey Island with flock of birds
Beaufort Sea coastline on Arey Island with flock of birds
Beaufort Sea coastline on Arey Island with flock of birds

Flock of birds over Arey Island near Kaktovik on the coastline of the Beaufort Sea.

Flock of birds over Arey Island near Kaktovik on the coastline of the Beaufort Sea.

Fourhorn sculpin captured near Kaktovik, Alaska
Fourhorn sculpin captured near Kaktovik, Alaska
Fourhorn sculpin captured near Kaktovik, Alaska
Fourhorn sculpin captured near Kaktovik, Alaska

Fourhorn sculpin (Myoxocephalus quadricornis) captured near Kaktovik, Alaska

Fourhorn sculpin (Myoxocephalus quadricornis) captured near Kaktovik, Alaska

Eroding coastline of the Beaufort Sea on Arey Island near Kaktovik
Beaufort Sea coastline on Arey Island with eroding cliff near Kaktovik
Beaufort Sea coastline on Arey Island with eroding cliff near Kaktovik
Beaufort Sea coastline on Arey Island with eroding cliff near Kaktovik

Eroding coastline of the Beaufort Sea on Arey Island near Kaktovik. 

Pink salmon captured near Kaktovik, Alaska
Pink salmon captured near Kaktovik, Alaska
Pink salmon captured near Kaktovik, Alaska
Pink salmon captured near Kaktovik, Alaska

Pink salmon captured near Kaktovik, Alaska

Young of year Arctic cisco
Young of year Arctic cisco
Young of year Arctic cisco
Young of year Arctic cisco

Young of year Arctic cisco (Coregonus autumnalis).

Young of year Arctic cisco (Coregonus autumnalis).

Fyke net set in Kaktovik Lagoon with the town of Kaktovik, Alaska in the background
Fyke net set in Kaktovik Lagoon with Kaktovik, AK in the background
Fyke net set in Kaktovik Lagoon with Kaktovik, AK in the background
Fyke net set in Kaktovik Lagoon with Kaktovik, AK in the background

Fyke net set in Kaktovik Lagoon with the town of Kaktovik, Alaska in the background

Fourhorn sculpin on a measuring board captured near Kaktovik, Alaska
Fourhorn sculpin on a measuring board captured near Kaktovik, Alaska
Fourhorn sculpin on a measuring board captured near Kaktovik, Alaska
Fourhorn sculpin on a measuring board captured near Kaktovik, Alaska

Fourhorn sculpin on a measuring board captured near Kaktovik, Alaska.

Underwater photo of young of year Arctic cisco
Underwater photo of young of year Arctic cisco
Underwater photo of young of year Arctic cisco
Underwater photo of young of year Arctic cisco

Underwater photo of young of year Arctic cisco

Saffron cod captured near Kaktovik Alaska
Saffron cod captured near Kaktovik Alaska
Saffron cod captured near Kaktovik Alaska
Saffron cod captured near Kaktovik Alaska

Saffron cod (Eleginus gracilis) captured near Kaktovik Alaska

Saffron cod (Eleginus gracilis) captured near Kaktovik Alaska

A Tufted Puffin swimming in the sea in Lower Cook Inlet, Alaska
A Tufted Puffin in the sea in Lower Cook Inlet, Alaska
A Tufted Puffin in the sea in Lower Cook Inlet, Alaska
A Tufted Puffin in the sea in Lower Cook Inlet, Alaska

A Tufted Puffin swimming in the sea near Gull Island in Lower Cook Inlet , Alaska

A Tufted Puffin swimming in the sea near Gull Island in Lower Cook Inlet , Alaska

Two scientists capturing Black-legged Kittiwakes for physiology study in Cook Inlet, Alaska
Capturing Black-legged Kittiwakes for study in Cook Inlet, Alaska
Capturing Black-legged Kittiwakes for study in Cook Inlet, Alaska
Capturing Black-legged Kittiwakes for study in Cook Inlet, Alaska

Brielle Heflin and Brian Robinson capturing Black-legged Kittiwakes at the base of the colony in Cook Inlet, Alaska. These birds were used in adult physiology studies.

Brielle Heflin and Brian Robinson capturing Black-legged Kittiwakes at the base of the colony in Cook Inlet, Alaska. These birds were used in adult physiology studies.

Knik River bridge
Knik River bridge
Knik River bridge
Knik River bridge

Knik River bridge

Geologist Jamey Jones studying and preparing to collect samples of igneous rocks in Lake Clark National Park
Geologist collecting igneous rock samples in Lake Clark Nat'l Park
Geologist collecting igneous rock samples in Lake Clark Nat'l Park
Geologist collecting igneous rock samples in Lake Clark Nat'l Park

The photo was taken by Erin Todd during helicopter-supported geologic fieldwork in Lake Clark National Park this past summer.

The photo was taken by Erin Todd during helicopter-supported geologic fieldwork in Lake Clark National Park this past summer.

Scientist holding a herring dip net of forage fish in Cook Inlet, Alaska
Scientist holding a herring dip net of forage fish in Cook Inlet, AK
Scientist holding a herring dip net of forage fish in Cook Inlet, AK
Scientist holding a herring dip net of forage fish in Cook Inlet, AK

Brian Robinson holding a herring dip net of forage fish in Cook Inlet, Alaska

A Black-legged Kittiwake with a herring in it's mouth
Black-legged Kittiwake with herring near Gull Island, Cook Inlet, AK
Black-legged Kittiwake with herring near Gull Island, Cook Inlet, AK
Black-legged Kittiwake with herring near Gull Island, Cook Inlet, AK

Black-legged Kittiwake with a herring in it's bill. These seabirds were foraging near Gull Island in Cook Inlet, Alaska.

Black-legged Kittiwake with a herring in it's bill. These seabirds were foraging near Gull Island in Cook Inlet, Alaska.

Black-legged Kittiwakes diving into the water to catch small fish in Cook Inlet, Alaska
Black-legged Kittiwakes foraging for fish in Cook Inlet, Alaska
Black-legged Kittiwakes foraging for fish in Cook Inlet, Alaska
Black-legged Kittiwakes foraging for fish in Cook Inlet, Alaska

Black-legged Kittiwakes foraging for fish in Cook Inlet, Alaska.