Goldfish may look small and cute in your home, but in the wild it's a different story. Releasing them into your local stream or lake is a bad idea. Following is a transcript of the video.

Their presence in wildlife environments is mostly due to people releasing pets into the wild and those pet fish quickly multiplying. Goldfish are only native to eastern Asia, though most pet store ...

You see, goldfish waste contains toxins like ammonia that can burn gills and even damage the brain. In the wild, this isn't a problem. Freshwater lakes and ponds are home to armies of bacteria ...

Scientists have known about the peculiar survival abilities of goldfish and their wild relatives, crucian carp, since the 1980s. While humans and most vertebrates die in a few minutes without ...