LAKE ORION, Mich. — State officials are investigating the deaths of hundreds of adult common carp at an Oakland County lake. Michigan’s DNR said between 250 and 500 of the fish have been found dead since mid-July in Lake Orion, northwest of Detroit. Area residents reported the dead fish to the state agency. DNR fisheries division staff collected samples July…
34 silver carp captured in recent multi-agency operation.
Underwater sound and electricity are used to drive the fish into nets.
First time for new method in Minnesota/Wisconsin waters.
Data will help agencies learn more about invasive carp.
A wholesale fish dealer from Platteville is facing state charges.
New research reveals varying odds of Asian carp disrupting the ecology of the Great Lakes.
The science of fisheries management has been around for well over a century. The science of eDNA may well be the biggest breakthrough in all that time – and will only become more important in the future.
The DNR says it’s the first documented capture of a grass carp from the lake that was diploid, or able to produce offspring.
An interesting tidbit for the state’s sportsmen is the proposed budget’s forecast for participation in fishing, trapping and hunting. The new budget proposal projects the state will have 710,000 fishermen in FY 2021 – the same number in FY 2020 but a drastic increase over the 579,497 anglers projected back in the FY 2017 budget.
Much of the focus has been on limiting their northerly migration and keeping them out of the Great Lakes, where experts say they could devastate a $7 billion fishing industry. That effort features an underwater electric barrier near Chicago, water sampling for carp DNA, subsidies for commercial fishers and experiments with a mass roundup-type harvest.
The fishing method is inspired by a traditional Chinese fishing technique. It involves setting a series of nets, underwater speakers and electrofishing gear to corral the carp.
An angler told the agency a silver carp jumped into his boat as he deployed a trolling motor.
The fence works as a deterrent by broadcasting noise at a frequency that irritates the carp. The noise is contained within a wall of bubbles that are lit by strobes. The combination has worked well in the laboratory and in smaller-scale outdoor settings.
(Illinois DNR)Wildlife agencies are stepping up waterway testing efforts following a spike in invasive Asian carp DNA detections in the Chicago River about five miles from Lake Michigan. Read the entire story here. Categories: Asian Carp, News Tags: Asian carp, Chicago River
A study led by University of Michigan researchers found that despite a drop-off in plankton, the tiny plants and animals on which bighead and silver carp typically feed, the lake has enough dietary options to sustain individual fish that venture away from nutrient-rich shoreline areas where most would congregate.
Some of the invasive fish reportedly from 20 to 30 pounds.
Thousands of the invasive carp reportedly clustering near the base of Lake Decatur dam.
The plan would use technology such as underwater loudspeakers, electric cables and air bubble curtains to deter the fish from migrating between the Illinois River and Lake Michigan through Chicago-area waterways.
The invasive was verified in the James River near LaMoure.
Efforts conducted June 3-14 included environmental DNA surveillance at more than 400 sites and investigation of 602 sites for fish.
Latest fish captures do not indicate reproduction.
The survey came after news broke that Gov. J.B. Pritzker wrote the U.S. Army Corps of Engineers a letter last week indicating that he had authorized the state’s collaboration with preconstruction, design and engineering work in the Brandon Road Lock and Dam near Joliet.
Location of choice is considered a crucial choke point where the invasive carp could be prevented from migrating upstream toward the lake.
A crew from the University of Toledo working with the U.S. Geological Survey found the larvae during sampling last June in the Maumee River, a Lake Erie tributary.
In 2017, two silver carp were captured in the same location.