Record-breaking 'monster' goldfish caught in suburban lake

A biologist in Australia caught a massive goldfish, measuring over 20 inches long, in a suburban lake, setting a new world record for the longest goldfish. The fish, which was euthanized, highlights the issue of goldfish being dumped in urban lakes and causing environmental problems by disrupting the ecosystem and spreading diseases to native fish. This incident sheds light on the impact of invasive species and the need for responsible pet ownership to prevent such ecological disruptions.