Pet fish are not wild fish. City officials in Burnsville, Minnesota, recently tweeted out a warning against dumping pet fish in the wild after a large number of goldfish were found in one of the ...

CLEVELAND — When most people think of goldfish, they probably imagine a family's first pet or something you win at a fair, but researchers say goldfish can grow up to 19 inches long and weigh up to ...

The city of Burnsville has an urgent message for Minnesotans: Stop dumping your goldfish into the state’s waterways. In a now-viral tweet posted on July 9, the city shared photos of goldfish: A ...

Releasing your pet goldfish into ponds and lakes may cause them to grow bigger than you think. Try football-sized. Ken Wares Jr., from Flint, Michigan, was bow fishing on Pine River, which flows into ...

(WJW) — Lake Erie looks like a frozen tundra, but beneath all of that ice goldfish are not only surviving, they may be thriving and growing to massive sizes. Biologists with the U.S. Fish and Wildlife ...