Results from a Maryland Department of Natural Resources and U.S. Fish & Wildlife Service survey indicate that invasive northern snakehead fish have spread into the C&O Canal and thereby the Upper Potomac River. Last fall, anglers reported catching two northern … Continued
The Pennsylvania Fish and Boat Commission (PFBC) recently confirmed that environmental DNA (eDNA) from the invasive Asian Silver Carp and Bighead Carp has been found in six water samples collected from the Ohio River last year. PFBC performed sampling in … Continued
In December, the Great Lakes Fishery Commission congratulated Canada Fisheries and Oceans Minister Gail Shea for proposing new regulations to prevent the introduction and spread of harmful invasive species. The recently proposed regulations would prohibit the importation, possession, transportation, and … Continued
U.S. Geological Survey (USGS) scientists have extracted DNA from fish eggs found in northern sections of the Upper Mississippi River and have determined that the eggs and larvae are not from Asian carp. Genetic analysis instead shows that the fish … Continued
Asian carp eggs, including late-stage embryos nearly ready to hatch from the egg, were identified in samples collected by U.S. Geological Survey scientists in 2013 from the Upper Mississippi River as far north as Lynxville, Wisc. The eggs and late-stage … Continued