NOAA
Noaa: Lionfish Discovery Story
The National Ocean Service Education Association has put together this well supported set of articles outlining the cause and resulting effects of invasive species, primarily the Lionfish. This link begins with looking at the story of...
American Institute of Biological Sciences
Action Bioscience: Biodiversity
This site from the American Institute of Biological Sciences contains articles on a wide array of issues related to species diversity and extinction. Many articles available in Spanish.
American Institute of Biological Sciences
Action Bioscience: Environmental Impacts of Marine Exotics
Invasive species are disrupting many bodies of water in North America. Scientists share their reasons for concern in this brief article. Supporting and educator resources are provided.
Other
Florida Fish and Wildlife Conservation Commission: How Do They Get Here?
An article that explains the pathways by which non-native fish and wildlife find their way into Florida's ecosystem.