Invasive Carp

Four types of invasive carp are currently found in the United States: black, grass, silver, and bighead carps. These species are fast growing, prolific feeders that out-compete native fish species and drastically alter the natural ecosystems they invade. To prevent the spread of invasive carp into the Great Lakes, the multi-agency Asian Carp Regional Coordinating Committee (ACRCC) implements...

Four types of invasive carp fish species, are currently found in the United States: black, grass, silver, and bighead carps. These species are fast growing, prolific feeders that out-compete native fish species and drastically alter the natural ecosystems they invade. To prevent the spread of invasive carp into the Great Lakes, the multi-agency Asian Carp Regional Coordinating Committee (ACRCC)...

Registration of new fishery chemicals is critical for resource managers to incorporate chemical controls as part of their Integrated Pest Management plans. In 2019, the U.S. Geological Survey (USGS) and U.S. Fish and Wildlife Service (USFWS) obtained a Section 3 registration from the U.S. Environmental Protection Agency for carbon dioxide (CO2) as a new pesticide under the name Carbon Dioxide–Carp...

Invasive carps (silver, bighead, black, grass) cause considerable economic and ecological damage to important fishery and water resources in the United States. Carbon dioxide (CO2) applied into water is being developed as a new chemical method to control invasive carps and other aquatic invasive species. Ongoing studies are evaluating the effectiveness of CO2 as a behavioral deterrent to limit...

Carbon dioxide (CO2) is being evaluated as a new fishery chemical for general aquatic invasive species control. Most research has focused on its effectiveness as a behavioral deterrent and lethal control or invasive carps. However, because CO2 is generally non-selective, there is potential for this new control chemical to be applied across a wide range of aquatic invasive species challenges.

Chemical controls are a vital component of many effective Integrated Pest Management plans. Carbon dioxide (CO2) is being evaluated as a new fishery chemical for invasive carps as a general toxicant or behavioral deterrent. Administration of non-selective chemicals, such as CO2, into public waters could pose a risk to non-target organisms (e.g. native mussels, native fishes) through direct or...

Management agencies often rely on commercial harvest for invasive carp population control. Piscicides, or fish toxicants, are an alternative method that could supplement Integrated Pest Management plans to kill and remove large quantities of invasive carps in a relatively short period of time. This non-selective removal strategy could greatly improve removal efficiency, particularly where high...

Management agencies have identified key pinch-points where there is a need to block invasive carp passage. Recent studies have shown that carbon dioxide (CO2) can be an effective behavioral deterrent for invasive carps and could be used independently or in combination with other deterrents to reduce the risk of migration into new areas. Installation of a deterrent at these management locations...

Introduction of invasive carps into public waters of the United States has resulted in a large effort to limit dispersal beyond the Mississippi River watershed. Navigation structures positioned throughout most major rivers are potential pinch-points to block further range expansion into new areas. Carbon dioxide (CO2) is being evaluated as non-physical fish deterrent that could reduce fish passage...

Over 180 and 140 aquatic invasive species (AIS) have been introduced into the Great Lakes and Upper Mississippi River basins, respectively, with threats of new invasions always on the horizon. Sea lamprey, zebra mussels, and invasive carps are just a few examples of AIS whose abilities to alter aquatic habitats and disrupt food cycles threaten many outdoor recreation opportunities and ecosystems...

The results of this study will advance our understanding of environmental DNA (eDNA) and how eDNA signatures change as fish behavior changes over the course of the open water season. This will further develop eDNA as an easy sampling method to collect information about invading populations or cryptic species that are difficult to capture so that resource managers can be given better information to...

Aquatic invasive species are a significant problem throughout the world. They cause millions of dollars in damages to industry, devastate natural ecosystems, and ruin outdoor recreational areas. Preventing their spread is imperative to preserving our natural resources. One potential pathway invasive fishes can spread is by harvesting and transporting baitfish. Often shipments of baitfish are...