A study found flatheads occupy the highest level in the food web, forcing native species like smallmouth bass to change their diets. The invasive catfish are growing much faster and larger in the ...

Invasive species like the blue catfish and snakehead are threatening ecosystems across Maryland’s waters. Chefs say that if we can’t beat ’em, we should eat ’em. These species vary considerably from ...

In less than 25 years, an invasive fish has become the apex predator of the Susquehanna River in eastern Pennsylvania. Flathead catfish have been flourishing in the river since 2002, growing to 30 to ...