By filtering out tiny organisms that native fish rely on for food, invasive mussels have been linked to major population ...

Emails obtained by clean-water advocates show the state of South Dakota declined $290,000 of federal funding for zebra mussel ...

Emails obtained by clean-water advocates show the state of South Dakota declined $290,000 of federal funding for zebra mussel ...

This video explores how three invasive fish species, a fast-spreading mussel and a single mink are disrupting entire ecosystems. Viewers learn how each species arrived, spread and began outcompeting ...

Invasive species often spread quietly, altering ecosystems long before the damage becomes visible. A combination of invasive fish, a freshwater mussel, and a predatory mammal has created subtle but ...

This year’s list includes a notable extinction caused by climate change — and several caused by introduced predators.