30, 2019 3:28 p.m. The Pennsylvania Fish and Boat Commission confirmed Monday that an invasive species, the northern snakehead fish, was recently caught in the Monongahela River. It is the first ...

They’ve been known to chase away or even attack other fish species that enter their territory, which can severely impact the balance of local ecosystems. Snakehead fish are also incredibly ...

Parents defend their young for several weeks, and have even been known to attack people who get ... with the use of rotenone, a fish poison, more snakeheads were found in the Potomac in 2004 ...

John McClelland, a British medical doctor working for the East India Company, received his fish from the employee and described it in 1845, identifying it as a species of snakehead, and naming it ...