Asian silver carp DNA has been found as far up the Ohio River as Wheeling, West Va., and Pittsburgh, Pa. That’s bad news for East Coast river fisheries.
The silver is most noted for leaping from the water when frightened, injuring passing anglers and other boaters. But the most damage is being done to our waterways, as silver and bighead carp crowd out and outcompete native species for food and habitat.
"Unfortunately, the test results provide some evidence that this invasive species could be in the upper Ohio River in Pennsylvania," John Arway, executive director of the Pennsylvania and Boat Commission.
"This is an early warning sign, since we don't know for certain the origin of the genetic material. We don't know if the eDNA came from live or dead fish or if it was transported from other sources, like bilge water or storm sewers, or even waterfowl visiting the basin."
For years, most of the focus was on the fear that Asian carp would devastate fisheries in the Great Lakes when/if they gain entrance. But now they also are threatening the inland waters of Iowa, South Dakota, and Minnesota, as well as the Cumberland and Tennessee rivers and their reservoirs, including Kentucky and Barkley lakes.