South Florida researchers warn the Everglades face an Asian swamp eel invasion, depleting small fish and starving wading birds, threatening the wetland food web.

When you’re a predatory fish, sometimes the lunch you gobbled up doesn’t agree with you. Rather than accepting its fate, the still-living meal escapes your stomach and flees through the nearest ...

"This is a predator like the system’s never seen." Experts alarmed as harmful creatures spread in US waterways: 'The worst … ...

Conservationists are telling anglers to cut the head off a predatory, reptile-looking fish that can breathe air if they find one. The northern snakehead is an invasive fish species with a fitting name ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Some teenage Japanese eels have found a way to avoid becoming a fish ...

X-ray videos showed that some young Japanese eels demonstrated that they were not content to become a predator’s meal. By Annie Roth For most animals, ending up in a predator’s stomach means all is ...

Of the 32 eels that were swallowed whole by dark sleeper fish in a recent study, nine of them successfully escaped to safety izumi yokoduka/Getty Stock image of a wild eel Eels are evading becoming ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When you’re a ...