Silver Carp

On August 9, 2022, the U.S. Fish and Wildlife Service hosted a virtual forum on invasive carp harvest and product use. This virtual event was convened in response to direction provided by Congress in the Consolidated Appropriations Act of 2022. Bighead, silver, black and grass carp – collectively referred to as ‘invasive carp’ – have been spreading in waterways across the United States and causing environmental damage since their introduction in the 1970s for use in aquaculture facilities and retention ponds. Provides access to the full recording of the forum, as well as the presentation slides.

Following more than two years of consumer research and planning, the State of Illinois unveiled "Copi," the new name for Asian carp, which is a play on “copious” – as that’s exactly what these fish are. By one estimate, 20 million to 50 million pounds of Copi could be harvested from the Illinois River alone each year, with hundreds of millions more in waterways from the Midwest to the Gulf Coast. The new name and brand are designed to address public misconceptions about this delicious top-feeding fish, which is overrunning Midwest waterways.

Copi are mild, clean-tasting fish with heart-healthy omega-3s and very low levels of mercury. Increased consumption will help to stop them from decimating other fish populations in the Great Lakes and restore an ecological balance to waterways down stream.

The Pennsylvania Fish and Boat Commission (PFBC) announced that it has conducted targeted invasive carp sampling in Presque Isle Bay, Erie County, after the U.S. Fish and Wildlife Service (USFWS) detected the presence of Silver Carp environmental DNA (eDNA). While no physical invasive carp specimens have been detected, the PFBC has requested that the USFWS collect additional water samples from Presque Isle Bay in the fall when more favorable environmental conditions are present for eDNA sampling. Members of the public can report sightings of aquatic invasive species to the PFBC using its online form.

The U.S. Geological Survey provides natural-resource managers with scientific information, risk assessment, and tools that can help to improve surveillance, prevention, and control strategies for managing invasive carp.
Fact Sheet 2022–3012

The U.S. Geological Survey (USGS) delivers high-quality data, technologies, and decision-support tools to help managers reduce existing populations and control the spread of invasive carp in the Nation's waterways.
See also: Geonarratives for all USGS geonarrative / story map resources

The Texas Parks and Wildlife Department (TPWD) received a report in late June that an invasive silver carp had been spotted in Choctaw Creek, a Texas tributary of the Red River approximately 15 miles downstream from Lake Texoma. "These are the first reports of silver carp from Texas waters, although they have previously been found in other areas of the Red River including just downstream from Lake Texoma in Oklahoma waters in 2019," said Dan Bennett, TPWD fisheries management biologist. "Invasive carp pose a significant risk to Lake Texoma’s ecosystem and boaters and there is adequate flow and upstream river area for them to become established and reproduce in the lake if introduced."

Anyone who catches either silver carp or bighead carp in Texas waters is asked to report the sighting with location information and photos to AquaticInvasives@tpwd.texas.gov. Silver and bighead carp are prohibited exotic species in Texas and must be killed upon possession by beheading, gutting, gill-cutting or other means or placed on ice. Neither species can be possessed live.