Stop tossing your pet goldfish in lakes, officials warn. 'They grow bigger than you think'

 A city in Minnesota wants residents to give their pet goldfish to a “responsible friend” instead of throwing it in a waterway.

The city of Burnsville tweeted that it recently found large groups of goldfish at Keller Lake, and suspects residents could be the cause. 

“Please don’t release your pet goldfish into ponds and lakes! They grow bigger than you think and contribute to poor water quality by mucking up the bottom sediments and uprooting plants,” the city said in a tweet.

The city has partnered with the city of Apple Valley and Carp Solutions to conduct a fish survey on Keller Lake to assess populations of invasive goldfish and other fish in the lake.

“Instead of releasing your pet goldfish in a local lake or pond, please consider other options for finding them a new home like asking a responsible friend or neighbor to care for it.” the city of Burnsville said in a Facebook post. 

In the past, other cities have brought up concerns about the “giant” fish and its effects on ecosystems. 

In 2013, biologists were worried that Lake Tahoe’s blue water may be affected by the large goldfish population, after they believed people were disposing of the pets in the lake. 

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