Dumped goldfish turn into giants in Canadian waters

By News on the Net KMBC —— Bio and Archives June 27, 2015

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Officials in Alberta, Canada, say dumping of live goldfish into the ecosystem has resulted in freakishly large fish. The invasive species has no natural predator and is thriving in poor water conditions, according to Kate Wilson, aquatic invasive species specialist with Alberta Environment and Parks.

"The biggest one we've caught is the size of a dinner plate," Wilson said. "That's the crazy thing about domestic aquatic pets, you have them in your aquarium and they are this cute little thing and then you release it into the wild and that constraint of size and food is gone and because of that some of these species can get really big," Wilson said. More...