Crayfish and amphibians are vanishing as a stealth invader spreads statewide, raising alarms about cascading losses across fragile wetland ecosystems.

Add Yahoo as a preferred source to see more of our stories on Google. Burmese pythons have nothing on this voracious eater. ePhotocorp/Getty Images There is a war going on in the Florida Everglades.

The University of Florida is asking the public to help track the eels to prevent them from becoming more widespread. The eels pose a threat to native wildlife and could disrupt Everglades restoration ...