What looks like an innocent pet in a tank can turn into a real environmental threat after release.

Add Yahoo as a preferred source to see more of our stories on Google. Did you know that your pet goldfish could be an invasive species? That's right. Goldie, Bubbles, and all your other adorable pet ...

The government of Alberta is issuing an important reminder to owners of pet goldfish in the province: Don't let it loose.

Released pet goldfish are growing to the size of a football and wreaking havoc on ecosystems in Minnesota and elsewhere. Reading time 3 minutes It’s a common story: A family gets a goldfish, but then ...

If you think your pet goldfish will have a better life in a local pond, Alberta officials have one message: don't let it ...

Goldfish can grow to large sizes, reproduce quickly, decrease water quality and gobble up the resources native species need to survive when released into a body of water bigger than a fishbowl. Kelli ...

Giant goldfish are routinely found in Alberta waters.

Invasive species are one of the leading causes of global biodiversity loss, and the pet trade is responsible for a third of all aquatic invasive species. Pet owners releasing unwanted pets into the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Looking after a pet can teach your child about compassion, ...