People are dumping pet goldfish into lakes, and now thousands — including some 4-pounders — are ruining the ecosystem

Submitted by Tech Insider on August 17, 2016 - 11:30am

goldfish lake

If you've ever dumped a pet goldfish in a nearby body of water and thought your act was harmless, think again. The seemingly innocent little creatures are wreaking havoc on ecosystems around the globe.

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