In the canals, marshes, and swamps of the Florida Everglades, invasive fish are silently slipping into new waterways. Among them are the Asian swamp eel and the bullseye snakehead, two air-breathing ...

Humans have a knack for meddling with the environment, and typically in a way that we don't even realize until far too late in the game. Such is the case with invasive species, organisms that are ...