A native deepwater sculpin, captured by bottom trawl in the Lake Huron depths off Cheboygan, Michigan, is held for a quick photo op during the USGS Great Lakes Science Center fall forage sampling cruise aboard the R/V Arcticus. Photo credit: Cory Brant, USGS.
Images
Images captured by GLSC scientists while working in and around the Great Lakes.
A native deepwater sculpin, captured by bottom trawl in the Lake Huron depths off Cheboygan, Michigan, is held for a quick photo op during the USGS Great Lakes Science Center fall forage sampling cruise aboard the R/V Arcticus. Photo credit: Cory Brant, USGS.

Maankiki Center Shiawassee National Wildlife Refuge Banner. Credit: Sasha Bozimowski, USGS
Maankiki Center Shiawassee National Wildlife Refuge Banner. Credit: Sasha Bozimowski, USGS
The USGS Great Lakes Science Center R/V Arcticus pulls into port in Cheboygan, Michigan, after a day of sampling in Lake Huron during the annual fall forage cruise. Photo credit: Cory Brant, USGS.
The USGS Great Lakes Science Center R/V Arcticus pulls into port in Cheboygan, Michigan, after a day of sampling in Lake Huron during the annual fall forage cruise. Photo credit: Cory Brant, USGS.

A Phragmites australis stand at Crane Creek in the Ottawa National Wildlife Refuge, Ohio. P. australis is an invasive species in North America.
A Phragmites australis stand at Crane Creek in the Ottawa National Wildlife Refuge, Ohio. P. australis is an invasive species in North America.

Phragmites invades coastal wetland in a changing climate. Ottawa National Wildlife Refuge, Oak Harbor, OH. Photo Credit: Kurt Kowalski, USGS-GLSC.
Phragmites invades coastal wetland in a changing climate. Ottawa National Wildlife Refuge, Oak Harbor, OH. Photo Credit: Kurt Kowalski, USGS-GLSC.
Sunset on Lake Ontario aboard the USGS Great Lakes Science Center’s R/V Kaho. Photo credit: Thomas SanFilippo, USGS.
Sunset on Lake Ontario aboard the USGS Great Lakes Science Center’s R/V Kaho. Photo credit: Thomas SanFilippo, USGS.
Alewife peeking out of a pile of mussels caught on the 2021 Lake Michigan fall bottom trawl survey aboard the R/V Arcticus. Photo credit: Patty Dieter, USGS.
Alewife peeking out of a pile of mussels caught on the 2021 Lake Michigan fall bottom trawl survey aboard the R/V Arcticus. Photo credit: Patty Dieter, USGS.
A prairie sunflower (Helianthus petiolaris) stands out from the dry landscape of sand and beach grass at West Beach in Indiana Dunes National Park. Photo credit: Johanna Nifosi, USGS.
A prairie sunflower (Helianthus petiolaris) stands out from the dry landscape of sand and beach grass at West Beach in Indiana Dunes National Park. Photo credit: Johanna Nifosi, USGS.
A community of dozens of basidiomycete fungi on a decomposing log. Photo credit: Johanna Nifosi, USGS.
A community of dozens of basidiomycete fungi on a decomposing log. Photo credit: Johanna Nifosi, USGS.
Sunset on Isle Royale National Park, Lake Superior. Photo credit: Scott Dwyer, USGS.
Sunset on Isle Royale National Park, Lake Superior. Photo credit: Scott Dwyer, USGS.
Native green bee resting peacefully inside a yellow jewelweed flower (Impatiens capensis) at Heron Rookery trail within Indiana Dunes National Park, Indiana. Photo credit: Johanna Nifosi, USGS.
Native green bee resting peacefully inside a yellow jewelweed flower (Impatiens capensis) at Heron Rookery trail within Indiana Dunes National Park, Indiana. Photo credit: Johanna Nifosi, USGS.
Downstream blocknet as part of an electrofishing survey of the fish community in Sevenmile Creek, Pictured Rocks National Lakeshore in northern Michigan. Photo credit: James Roberts, USGS.
Downstream blocknet as part of an electrofishing survey of the fish community in Sevenmile Creek, Pictured Rocks National Lakeshore in northern Michigan. Photo credit: James Roberts, USGS.
Lonely rock feature located in the Apostle Islands, Lake Superior. Photo credit: Scott Dwyer, USGS.
Lonely rock feature located in the Apostle Islands, Lake Superior. Photo credit: Scott Dwyer, USGS.
Ringless honey mushroom (Armillaria tabescens) seen in the Heron Rookery, Indiana Dunes National Park. Photo credit: Johanna Nifosi, USGS.
Ringless honey mushroom (Armillaria tabescens) seen in the Heron Rookery, Indiana Dunes National Park. Photo credit: Johanna Nifosi, USGS.
Measuring the height of invasive Phragmites at Quanicassee State Wildlife Area in Bay City, Michigan. Photo credit: Anne Bonds, USGS.
Measuring the height of invasive Phragmites at Quanicassee State Wildlife Area in Bay City, Michigan. Photo credit: Anne Bonds, USGS.
USGS Great Lakes Science Center dive team doing a backward roll off the R/V Stonecat to collect lake-bottom samples and retrieve instruments in Lake Ontario. Photo credit: Greg Kennedy, USGS.
USGS Great Lakes Science Center dive team doing a backward roll off the R/V Stonecat to collect lake-bottom samples and retrieve instruments in Lake Ontario. Photo credit: Greg Kennedy, USGS.
Long-range autonomous underwater vehicle 'Tethys' upon retrieval after a 400 km mission in Lake Michigan to collect the environmental DNA (bits of DNA drifting in the environment) of pelagic prey fish through a partnership between the USGS Great Lakes Science Center and the Monterrey Bay Aquarium Research Institute. Photo Credit: Peter Esselman, USGS.
Long-range autonomous underwater vehicle 'Tethys' upon retrieval after a 400 km mission in Lake Michigan to collect the environmental DNA (bits of DNA drifting in the environment) of pelagic prey fish through a partnership between the USGS Great Lakes Science Center and the Monterrey Bay Aquarium Research Institute. Photo Credit: Peter Esselman, USGS.
Fish in a holding net waiting to be measured following an electrofishing survey of Sevenmile Creek in Pictured Rocks National Lakeshore, Michigan. Photo credit: James Roberts, USGS.
Fish in a holding net waiting to be measured following an electrofishing survey of Sevenmile Creek in Pictured Rocks National Lakeshore, Michigan. Photo credit: James Roberts, USGS.
A slimy sculpin from Miners Creek in Pictured Rocks National Lakeshore, Michigan. Photo credit: James Roberts, USGS.
A slimy sculpin from Miners Creek in Pictured Rocks National Lakeshore, Michigan. Photo credit: James Roberts, USGS.
A paddle through wetlands at Fish Point State Game Area in Saginaw Bay on Lake Huron. Photo credit: Wes Bickford, USGS.
A paddle through wetlands at Fish Point State Game Area in Saginaw Bay on Lake Huron. Photo credit: Wes Bickford, USGS.
Scales, fin rays and lateral line of a Smallmouth Buffalo (Ictiobus bubalus) found in the hydrologically restored wetlands of Shiawassee National Wildlife Refuge near Saginaw, Michigan. Photo credit: Sasha Bozimowski, USGS.
Scales, fin rays and lateral line of a Smallmouth Buffalo (Ictiobus bubalus) found in the hydrologically restored wetlands of Shiawassee National Wildlife Refuge near Saginaw, Michigan. Photo credit: Sasha Bozimowski, USGS.