Invasive tegu lizards are spreading across Florida. Officials warn residents not to capture these five-foot reptiles.

Scientists warn the eel could be more catastrophic than the Burmese python, causing an "avalanche of prey loss." The eels have caused massive declines in crayfish, small fish, and amphibian ...

Eels bred in captivity will be sold in Japanese shops for the first time, in a move that could ease eventually pressure on the endangered fish, officials said Wednesday. Eel populations are falling ...

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