In the Southeast, these destructive fish are putting the region's renowned aquatic biodiversity at risk. Asian carp are in direct competition with native aquatic species for food and habitat. In areas where Asian carp are already established, there is still a need to reduce their numbers. Outdoor News Store. Biology and Ecosystems.
Alerts In Effect
La Crosse, Wis. In the study, starting in early August, telemetry-tagged adult carp handled by a federal research team based in Wisconsin are exposed to high-pressure shock waves emitted by sub-surface water guns to determine how the carp behave. The idea is to learn about their habitat and life cycles and how their management can be integrated with fisheries programs run by natural resources agencies. Besides locks and dams, the units could be placed at turbulent water areas where the carp spawn. Forcing the fish into sub-optimal spawning locations might lower their reproductive success and, in certain cases, make them vulnerable to commercial harvest. Asian carp populations are highest in the Illinois River, but rogue specimens have been documented in the Upper Mississippi and St.
If you catch a small carp, nine inches or less, the agency is asking that you put it on ice or freeze it and contact them immediately. If you are unable to keep the fish, the TWRA asks you to submit photos of the fish in hand and send it to them. You can contact the TWRA by phone at or toll-free at , by fax at , or by email at ans. There are four species of Asian carp in the United States and in Tennessee. All are from the Yangtze and Amur River systems in China.
Carp are a family of fish native to Europe and Asia. The common carp Cyprinus carpio has been in the US for over years. The newest carp invaders, bighead carp , black carp , grass carp , and silver carp collectively known as "Asian carp" , however, are causing their own brand of trouble in the Mississippi River and rivers and lakes within the Mississippi rivershed. These four species of fish were introduced to the U. These captive fish eventually escaped into the Mississippi River basin and established breeding populations. Asian carp are slowly making their way up the Mississippi River and its tributaries, and have been found as far north as Minnesota, including individual silver and bighead carps within the Mississippi National River and Recreation Area.