From pet to pest, goldfish can wreck entire ecosystems

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A new peer reviewed study from researchers at The University of Toledo and the University of Missouri has found that goldfish can have major impacts on freshwater ecosystems when they are released or escape into the wild.

Published in the Journal of Animal Ecology, the research provides some of the strongest experimental evidence to date that invasive goldfish can dramatically alter lake environments. The findings carry an important warning for pet ow...

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