Invasive Giant Goldfish Threaten North American Waters

Giant goldfish, released into the wild, are posing a threat to the Great Lakes ecosystem. These invasive species can grow to monstrous sizes, destroy habitats for native wildlife, and contribute to the degradation of fragile ecosystems. Canadian researchers have been tracking the goldfish population in Hamilton Harbour, Lake Ontario, to identify areas for culling. The goldfish's ability to reproduce quickly and adapt to various water temperatures makes them difficult to control. The problem is not limited to Canada, as feral goldfish have also caused issues in Australia, the United Kingdom, and the United States. The spread of non-native species is a growing concern exacerbated by climate change.