One of the most common "starter" pets for families, the goldfish, may not be so harmless when released into the wild.

Researchers say released pet goldfish can grow, reproduce and alter shallow freshwater ecosystems once established in the ...

A new study finds released goldfish can cloud water, wipe out prey and trigger lasting ecological collapse in lakes and ...

A common household pet is revealing an unexpected ecological influence. Through carefully controlled experiments, researchers ...

Create a cause and effect chart to enhance your reading and writing skills! Did you know that tiny goldfish can become a menace to the Great Lakes? Join Mr. Peterson as he explores how invasive ...

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A new peer-reviewed study conducted by researchers at The University of Toledo and University of Missouri provides some of the first rigorous experimental evidence that goldfish—one of the world's ...

Releasing goldfish into lakes may seem harmless, but new research shows they can disrupt food webs and damage entire ...