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Underwater Acoustic Deterrent System being installed in the downstream lock approach channel of Mississippi River Lock 19

Interim reports released for two experimental invasive carp deterrent studies

Interim project updates for the BioAcoustic Fish Fence at Barkley Lock and Dam in Kentucky and the Underwater Acoustic Deterrent System at Lock No. 19 on the Mississippi River have been released as Open File Reports that provide information from the first two years of operation and evaluation for each study.

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A U.S. Fish and Wildlife Service biologist prepares water samples in a mobile lab for transport to the Whiteny Genetics Laboratory in Onalaska, Wisconsin

No silver carp eDNA in new St. Joseph River samples

The Michigan Department of Natural Resources today announced that no silver carp environmental DNA was found in a Sept. 6 resampling of the St. Joseph River.

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eDNA Sample Collection

Silver carp eDNA detected in one location on the St. Joseph River in Michigan

Routine environmental DNA, known as eDNA, surveillance for invasive bighead and silver carp, conducted annually by the U.S. Fish and Wildlife Service, turned up a single positive sample in the St. Joseph River near the St. Joseph/Benton Harbor area.

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No bighead or silver carp found during spring seasonal intensive monitoring

No bighead carp or silver carp were captured or observed in the Chicago Area Waterway System during two weeks of rigorous sampling conducted in May 2023 during the annual Spring Seasonal Intensive Monitoring event.

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Hands holding a white-colored fish.

Analysis Complete of Silver Carp Captured in Lake Calumet

Laboratory analysis of a silver carp collected this past August in Lake Calumet within the Chicago Area Waterway System found that the fish was an adult that originated in the Illinois River watershed.

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A portion of the 2023 Invasive Carp Action Plan showing the tail fin of a grass carp.

Invasive Carp Regional Coordinating Committee Releases 2023 Invasive Carp Action Plan

The Invasive Carp Regional Coordinating Committee is pleased to announce the release of its 2023 Invasive Carp Action Plan, a comprehensive portfolio of more than 50 projects focused on Great Lakes protection.

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A person on a boat lifts netting from the water. A pile of aquatic plant debris sits on the boat deck. Another boat on the water can be seen in the background.

Sampling Concludes in Illinois Waterway - No Silver or Bighead Carp Found

No silver or bighead carp were seen or caught during two consecutive weeks of rapid response monitoring initiated by the capture of an adult silver carp in Lake Calumet on August 4, 2022. The response monitoring was conducted August 5 through August 19 in Lake Calumet and adjacent waters within the Chicago Area Waterway System.

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A dusky colored fish sits on a measuring board on a cooler.

Invasive silver carp removed from Lake Calumet

The Illinois Department of Natural Resources and the Invasive Carp Regional Coordinating Committee today announced the removal of one silver carp from Lake Calumet in the Chicago Area Waterway System. Lake Calumet is approximately seven miles from Lake Michigan. The fish was captured by gill netting and electro-fishing crews from the Illinois Department of Natural Resources and U.S. Army Corps of Engineers.

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Emblem of the Pennsylvania Fish and Boat Commission showing a fish in the middle of a boat wheel.

eDNA from invasive silver carp identified in Lake Erie's Presque Isle Bay

The Pennsylvania Fish and Boat Commission today announced that it has conducted targeted invasive carp sampling in Presque Isle Bay, Erie County, after the U.S. Fish and Wildlife Service detected the presence of Silver Carp environmental DNA.

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