Officials speculate that someone emptied an aquarium with goldfish into the pond.

Burmese pythons pose a huge threat to native species in the Florida Everglades. Officials have used creative methods to manage the population of invasive snakes.

FALLS CHURCH, Va. —  The U.S. Fish and Wildlife Service is delisting 21 species from the Endangered Species Act due to extinction. Based on rigorous reviews of the best available science for each o...

Canada and the U.S. are working to stop a massive invasive fish — grass carp — from invading the Great Lakes

Suckers (Catostomidae) are the most abundant migratory fishes in the Laurentian Great Lakes region, but they are understudied and underappreciated given their important roles in ecosystems. To overcom...

Fisheries scientists are only now coming to understand the important roles native “rough fish” play in freshwater ecosystems across North America—even as these long-maligned species are increasingly a...

Canada and the U.S. are working to stop a massive invasive fish — grass carp — from invading the Great Lakes

ALT: a close up of a spongebob pineapple with a hole in it .

Building on the vision of Dr. Mark Pegg and Dave Buckmeier, our team came together in the summer of 2021 to brainstorm a means to determine the availability

On Introduced, we dive into stories of the aquatic invaders that are costing us millions and changing the lakes, streams, and wetlands we cherish and rely on.