This Is What Happens When You Release Goldfish Into the Wild
Surprise! Goldfish can grow up to 4 pounds and travel more than a hundred miles a year.
As if you needed another reason not to dump your pet fish into an outdoor waterway, new research from Australia finds that the humble goldfish can actually be a destructive force when released in the wild.
Researchers have been struggling for more than a decade to control goldfish in the Vasse River, southeast of Perth. So Stephen Beatty and colleagues from the Centre of Fish and Fisheries at Murdoch University spent a year tracking the invasive fish.
The recently released study found that goldfish — yes, the little guys that kids win at fairs by tossing a ring around a milk bottle — can grow up to 4 pounds and travel more than a hundred miles a year…