A new study finds goldfish released into the wild can trigger rapid ecological collapse in lakes, threatening native species throughout the food web.
A new study finds goldfish released into the wild can trigger rapid ecological collapse in lakes, threatening native species throughout the food web.
In my home town, we have a Japanese garden, complete with a huge koi pond. People have released goldfish into the pond, thinking it’ll be better than flushing them. Problem is, they can come with fish herpes. It can be lethal to the koi.