420 Free Photos of Invasive Fishes

invasive species boat work of the service water fishery service patch usfws rivers and streams wildlife employees(usfws)

Electrofishing for Northern Snakehead-1

Electrofishing for Northern Snakehead-1

Electrofishing for Northern Snakehead-3

Electrofishing for Northern Snakehead-3

Electrofishing for Northern Snakehead-6

Electrofishing for Northern Snakehead-1

Electrofishing for Northern Snakehead-3

Electrofishing for Northern Snakehead-3

Electrofishing for Northern Snakehead-3

Invasive Plant Removal on Air Force Base

wildlife nature

Lake Michigan near the Michigan and Canada Border

michigan summer

Zebra Mussels on the Shoreline.

missouri river usfws

Zebra Mussels on the Shoreline.

missouri river usfws

Zebra Mussels on the Shoreline.

missouri river usfws

Monitoring treatment

Oxygen Flow

Water Velocity Testing

Kevin Letson driving boat

Zebra Mussels on the Shoreline.

missouri river usfws

Zebra Mussels on the Shoreline.

missouri river usfws

Electrofishing for Northern Snakehead-2

Electrofishing for Northern Snakehead-2

Electrofishing for Northern Snakehead-1

Bighead Carp Juvenile (Hypophthalmichthys nobilis) (3)

Electrofishing for Northern Snakehead-1

Electrofishing for Northern Snakehead-4

Electrofishing for Northern Snakehead-1

Invasive Plant Removal on Air Force Base

wildlife nature

Bighead Carp Juvenile (Hypophthalmichthys nobilis) (5)

Treating Ogontz River

Electrofishing Catch at Pendills Creek in Michigan

wildlife animals

Electrofishing for Northern Snakehead-1

Electrofishing for invasive carp-7

Electrofishing for Northern Snakehead-4

Water Quality Testing

Fish Biologist Cheryl Kaye analyzes non-target species to determine how to best treat streams for sea lamprey and minimize mortality to sensitive fish species.

Invasive Waterchestnut

Fish Biologist Cheryl Kaye during a non-target risk assessment collection.

Electrofishing for sea lampreLynn Kanieski lamprey sampley

Electrofishing for invasive carp

Sea lamprey ladies! (Pictured: Fish Biologists Shawn Nowicki, Cheryl Kaye and Mary Henson.

Electrofishing for invasive carp-3

Felt sole boots (left) & rubber sole boots

yellowstone national park fish

Silver Carp

Invasive Plant Removal on Air Force Base

wildlife nature

Zebra mussels

wildlife nature

Zebra mussels

wildlife nature

Electrofishing for invasive carp-2

Electrofishing for invasive Asian carp

USGS scientists document invasive carp data on Missouri River

USGS scientist documents invasive carp data on Missouri River

Zebra mussel processing

wildlife nature

Zebra mussel processing

wildlife nature

Zebra mussel processing

wildlife nature

Zebra mussel processing

wildlife nature

USGS scientist documents invasive carp data on Missouri River-2

Fish crew member grinding fish on Yellowstone Lake

Supervisory Fish Biologist Shawn Nowicki observing the Conneaut Creek for non-target species.

employee people

Biologist operates work boat searching for invasive carp-4

Biologist operates work boat searching for invasive carp-4

Fisheries biologist searching for invasive carp on the Illinois River-2

Biologist operates work boat searching for invasive carp-1

Biologist operates work boat searching for invasive carp-4

Electrofishing for invasive carp-1

Electrofishing for invasive Asian carp-3

Lake Superior intersects with Pendills Creek in the Upper Peninsula of Michigan

Burns Harbor Lake Sturgeon

Asian Clams (Corbicula fluminea)

The wounded lake trout from another angle

Fish biologist Mary Henson looks looking for non-target species during a sea lamprey control treatment.

Crew of the U.S. Fish and Wildlife Service boat, The Magna Carpa

Lake trout with severe sea lamprey wounds

Surveying Success

Surveying success

Zebra mussel sampler post

wildlife nature

Working with landowners

Working with landowners

Rock covered in zebra mussels

wildlife nature

Rock covered in zebra mussels

wildlife nature

Electrofishing for invasive carp-1

Lake Trout with sea lamprey wound in Lake Michigan

Electrofishing for invasive carp-1

Fisheries biologist searching for invasive carp on the Illinois River-1

Crew of the U.S. Fish and Wildlife Service boat, The Magna Carpa-3

U.S. Fish and Wildlife Service boat, The Magna Carpa

Crew of the U.S. Fish and Wildlife Service boat, The Magna Carpa-1

Crew of the U.S. Fish and Wildlife Service boat, The Magna Carpa-4

Targeted areas of control

Surveying success

Monarch Butterfly

wildlife nature

U.S. Fish and Wildlife Service boat, The Magna Carpa-1

Crew of the U.S. Fish and Wildlife Service boat, The Magna Carpa, safety briefing

Crew of the U.S. Fish and Wildlife Service boat, The Magna Carpa, prepping boat

U.S. Fish and Wildlife Service boat, The Magna Carpa-2

Biologist operates work boat searching for invasive carp-1

Biologist operates work boat searching for invasive carp-1

Working with Landowners

Surveying Success

Surveying Success

Working with Landowners

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