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Asian Carp eggs and larvae identified in the Upper Illinois Waterway during 2015

Hours old larvae in 2007 from Illinois River near Havana, Illinois. Credit: Kevin Irons/IDNR.
Hours old larvae.
Credit: Kevin Irons/IDNR.
On June 18, 2015, three Silver Carp larvae were collected, approximately a mile-and-a-half upstream of the I-55 Bridge (Channahon, Illinois), in the Dresden Island Pool of the Des Plaines River (River Mile (RM) 279.3).  These individuals ranged from 8.5 – 10.0 mm (0.33-0.39 inches) total length.  Asian carp eggs (either Silver or Bighead Carp) were also identified from samples collected from Marseilles and Starved Rock pools of the Illinois River, as well as from downstream pools (LaGrange and Peoria).

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Study: Asian carp could cause some Lake Erie fish to decline, others to increase

A depiction of a simplified Lake Erie food web showing the potential impacts of Asian carp. Credit: NOAA GLERL
A depiction of a simplified Lake Erie food web- potential impacts of Asian carp.
Credit: NOAA GLERL
ANN ARBOR—If they successfully invade Lake Erie, Asian carp could eventually account for about a third of the total weight of fish in the lake and could cause declines in most fish species—including prized sport and commercial fish such as walleye, according to a new computer modeling study.

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UPDATE: Small Asian Carp Found in Marseilles Pool of Illinois River

Carp in Illinois Waterway.	Photo Credit: USFWS
Carp in Illinois Waterway.
Photo Credit: USFWS
On October 22, 2015, as part of an on-going comprehensive monitoring plan for assessing location and populations of Asian carp in the Illinois Waterway, U.S. Fish and Wildlife Service (USFWS) sampling crews detected two small silver carp in the Marseilles Pool of the Illinois River. This site, near Moody Bayou, upstream of Seneca, Illinois, marks the furthest upstream location fish of this size have been captured. The fish, captured via electrofishing and measuring about 6.5 inches in length, will be aged by researchers to determine what year they were spawned.

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USFWS Shares Results of Studies on Small Fish Movement and Barge Traffic

Electrofishing. Photo Credit: Gary Chancey/USFS
Electrofishing.
Photo Credit: Gary Chancey/USFS
This past year, the U.S. Fish and Wildlife Service conducted studies to test whether small fish could become trapped in the underwater spaces between commercial barges and inadvertently transported over various distances and across electrical barriers. The U.S. Army Corps of Engineers operates a system of three electrical fish dispersal barriers in the Chicago Sanitary and Ship Canal, which are designed to prevent the movement of non-native fish, including Asian carps, between the Great Lakes and Mississippi River basins. Research used golden shiners to examine the impact of commercial barge traffic on small fish movement to better understand the potential risk of small Asian carp passing through the electrical fish dispersal barriers in the Chicago Sanitary and Ship Canal.

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Invasive Silver Carp Respond Strongly to Sound

Silver carp. Photo Credit: USGS
Silver carp.
Photo Credit: USGS
Silver carp, a species of invasive Asian carp, demonstrated a strong aversion to certain noises during a recent study on the potential use of sound for silver carp control.

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Six-inch silver carp found in Starved Rock Pool, Illinois River

Small Asian carp found in the Starved Rock pool of the Illinois Waterway by Sheehan Island. Photo Credit: USFWS
Small Asian carp found in the Starved Rock pool of the Illinois Waterway.
Photo Credit: USFWS
As part of a comprehensive monitoring plan for assessing location and populations of Asian carp on the Illinois Waterway, crews have detected silver carp less than 6-inches in length in the Starved Rock Pool of the Illinois River, just a few miles downstream from Marseilles Lock and Dam near Ottawa, Illinois. Complete details of the 2015 Monitoring and Response Plan (Plan) for Asian carp in the Illinois River and Chicago Area Waterway System (CAWS) can be found online at www.asiancarp.us.

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Response exercise provides DNR staff with more training on Asian carp removal

Commercial fishermen. Photo Credit: Michigan DNR
Commercial fishermen
Photo Credit: Michigan DNR
The Department of Natural Resources sent several Fisheries Division staff last week to Illinois to assist their DNR with an on-going Asian carp removal project. The goal of the project is to respond to the leading edge and reduce the population levels of Asian carp that are threatening the Great Lakes via the Chicago Area Waterway System (CAWS).

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Asian Carp Regional Coordinating Committee Releases 2015 Asian Carp Control Strategy Framework

Juvenile Asian carp. Photo Credit: USFWS
Juvenile Asian carp
Photo Credit: USFWS
The Asian Carp Regional Coordinating Committee today announced the release of the 2015 Asian Carp Control Strategy Framework. The Framework outlines the steps federal, state, and provincial partners will take in the fight again Asian carp.

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U.S. Fish and Wildlife Service Helps State Partners Take a Stand against Asian Carp

Electrofishing for Asian carp. Photo Credit: MDNR
Electrofishing for Asian carp
Photo Credit: MDNR
The U.S. Fish and Wildlife Service Midwest Region is pleased to announce $800,000 in funding to assist state partners in the Upper Mississippi River and Ohio River basins in their Asian carp prevention and control efforts. The funding comes from a $2.3 million increase in the Service’s 2015 base budget to support integrated Asian carp management efforts outside of the Great Lakes basin.

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Updated Map on Location of Bighead and Silver Carps in the Illinois Waterway

Silver carp captured near Peru, IL. Photo Credit: USFWS
Silver carp captured near Peru, IL
Photo Credit: USFWS
Updated map for the April sampling results in the Illinois Waterway.

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